hợp tác với nhau 
to cooperate with one another [ hợp ] : to suit, fit, be compatible, go together, unite
[ tác ] : (1) job, task, work; (2) to make, do
[ với ] : with, and; to join (someone), reach for (something)
[ nhau ] : (1) together, in company, each other; (2) placenta
Most Common Compounds Set 1:
Most Common Compounds Set 2 :