1 (wiktionary) 2 (vi.wikipedia) 3 (en.wikipedia) 4 (glosbe)
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COMPOUNDS
băn khoăn 
worried, anxious, fretful, perturbed; to worry, fret, be afraid of, fear
bận lòng to worry; worried, anxious
bận tâm to worry; worried, disturbed
chuyện đáng lo something worth worrying about, concern
càng lo ngại to worry even more (than before)
có gì phải lo there’s no reason to worry
cả lo worry oneself, trouble oneself, bother oneself
cắn rứt to worry, harass, sting, gnaw (conscience, etc.)
e ngại to fear, be afraid, worry
giày vò to torment, worry
hậu hoạn future trouble, future worry
lo (1) worried, anxious, afraid; to worry, fear, frighten; (2) to care about, look after
lo bò trắng răng unnecessary worry
lo chuyện to worry about sth
lo lắng worried, concerned, anxious, uneasy; to worry; worry, concern, anxiety
lo nghĩ to worry, be concerned
lo nghĩ về to worry about
lo sợ worried, afraid, anxious; to worry, be afraid
lo toan anxious, worried; to worry
lo đến to worry about
mối (1) termite, white ant; (2) house lizard; (3) end (of entangled thread or string), beginning (of an involved story); [CL for feelings, tensions, relationships], cause for (hope, worry, danger), customer, passenger; (4) liaison, go-between
mối lo care, worry, concern
mối lo lắng concern, worry
nghĩ ngợi to ponder over, consider carefully, worry about
ngại to worry, fear, be troubled by; worried, hesitant, fearful
ngầy annoy, trouble, worry
nhũng worry, harass, trouble
nhọc lòng worry, be anxious
phiền lòng to worry
quan ngại to hinder, obstruct; to worry, concern
quấy nhiễu worry, pester
sự lo sợ worry, anxiety
thắc mắc (1) worried, anxious, uneasy, uncomfortable, ill at ease; worry, concern; (2) a question
tỏ ra e ngại to express worry, concern
tỏ ra lo ngại to express worry, concern
việc ấy khiến cho anh phải lo nghĩ that made you worry
yên lòng be-assured, not to worry
ám (1) to bother, annoy, pester, worry; (2) to blacken, darken, stain; dark, obscure; (3) rice and boiled fish, thick fish soup; (4) to possess, obsess
ám quẻ to annoy, worry, trouble
âu (1) Europe, European; (2) seagull; (3) might as well; (4) worry, concern
éo sèo to bother, worry
đừng bận tâm tới don’t worry about
đừng có lo don’t worry
đừng có lo lắng don’t worry
đừng lo don’t be afraid, don’t worry, fear not
đừng lo chuyện đó don’t worry about that
ưu lự disquieted, anxious, uneasy, restless; to worry
ưu tư afflicted, grieved, distressed; worry, concern
đỡ lo to be relieved, stop worrying
băn khoăn worried, anxious, fretful, perturbed; to worry, fret, be afraid of, fear bận lòng to worry; worried, anxious bận tâm to worry; worried, disturbed chuyện đáng lo something worth worrying about, concern càng lo ngại to worry even more (than before) có gì phải lo there’s no reason to worry cả lo worry oneself, trouble oneself, bother oneself cắn rứt to worry, harass, sting, gnaw (conscience, etc.) e ngại to fear, be afraid, worry giày vò to torment, worry hậu hoạn future trouble, future worry lo (1) worried, anxious, afraid; to worry, fear, frighten; (2) to care about, look after lo bò trắng răng unnecessary worry lo chuyện to worry about sth lo lắng worried, concerned, anxious, uneasy; to worry; worry, concern, anxiety lo nghĩ to worry, be concerned lo nghĩ về to worry about lo sợ worried, afraid, anxious; to worry, be afraid lo toan anxious, worried; to worry lo đến to worry about mối (1) termite, white ant; (2) house lizard; (3) end (of entangled thread or string), beginning (of an involved story); [CL for feelings, tensions, relationships], cause for (hope, worry, danger), customer, passenger; (4) liaison, go-between mối lo care, worry, concern mối lo lắng concern, worry nghĩ ngợi to ponder over, consider carefully, worry about ngại to worry, fear, be troubled by; worried, hesitant, fearful ngầy annoy, trouble, worry nhũng worry, harass, trouble nhọc lòng worry, be anxious phiền lòng to worry quan ngại to hinder, obstruct; to worry, concern quấy nhiễu worry, pester sự lo sợ worry, anxiety thắc mắc (1) worried, anxious, uneasy, uncomfortable, ill at ease; worry, concern; (2) a question tỏ ra e ngại to express worry, concern tỏ ra lo ngại to express worry, concern việc ấy khiến cho anh phải lo nghĩ that made you worry yên lòng be-assured, not to worry ám (1) to bother, annoy, pester, worry; (2) to blacken, darken, stain; dark, obscure; (3) rice and boiled fish, thick fish soup; (4) to possess, obsess ám quẻ to annoy, worry, trouble âu (1) Europe, European; (2) seagull; (3) might as well; (4) worry, concern éo sèo to bother, worry đừng bận tâm tới don’t worry about đừng có lo don’t worry đừng có lo lắng don’t worry đừng lo don’t be afraid, don’t worry, fear not đừng lo chuyện đó don’t worry about that ưu lự disquieted, anxious, uneasy, restless; to worry ưu tư afflicted, grieved, distressed; worry, concern đỡ lo to be relieved, stop worrying