phái bộ quân sự 
military mission [ phái ] : to delegate, to send, to detach
[ phái ] : to send, appoint; faction, sect; sex, gender
[ 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
[ quân ] : troops, army
[ sự ] : deed, act, action event, occurrence, (classifier for actions, states)
Most Common Compounds Set 1:
Most Common Compounds Set 2 :