like: sự hợp tác
Intermediate Level Advanced Level
Composite Words Listening Comprehension Oxford Topics Duolingo Topics 315 Activities
BEGINNER LEVEL
exact:
VNEN 
sự hợp tác * ☊ 
collaboration, cooperation * ☊
[ sự ] : deed, act, action event, occurrence, (classifier for actions, states)
[ hợp ] : to suit, fit, be compatible, go together, unite
[ tác ] : (1) job, task, work; (2) to make, do