sự chia rẽ nội bộ 
internal division [ sự ] : deed, act, action event, occurrence, (classifier for actions, states)
[ chia ] : divided, separate; to split, divide, separate, distribute, share
[ rẽ ] : to turn (right or left)
[ nội ] : (1) inside, interior, paternal; (2) field, prairie, plain
[ bộ ] : (1) section, part department, ministry; (2) gear, part, device; (3) radical (of a Chinese character); (4) collection, set, pack (cards), suit (clothes); (5) appearance, mean, behavior, bearing; (6) step, pace; (7) [CL for laws]; (8) land; (9) foot; (10) register, account book
Most Common Compounds Set 1:
Most Common Compounds Set 2 :