theo sự ước lượng của tôi 
by my estimate [ theo ] : to follow, believe in; according to, on, at, in
[ sự ] : deed, act, action event, occurrence, (classifier for actions, states)
[ ước ] : (1) promise, treaty, agreement; (2) to wish; (3) to estimate, approximate, guess
[ lượng ] : amount, capacity, quantity, number, amount, dose, dosage
[ của ] : (1) (possessive marker), of; (2) property, possessions, belonging; (3) belong to
[ tôi ] : I (first person singular pronoun)
Most Common Compounds Set 1:
Most Common Compounds Set 2 :