Perhaps you should try some spelling variations:
phung cong » nhung cong, phong cong, nhung chong
hoc chinh » hoan chinh, hoc sinh, hoc kinh
trung cua » truong cua, trung tuan, dung cua
trung cap » truong cao, trung tam
cong tac » cong ty
tac than » tac thanh, tam than, tac nhan
than cap » khan cap, thanh lap, thanh cac

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: hoc chinh sach - thanh ((trung cua) or (trung cap)) phung cong tac than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chinh sach - thanh ((trung cua) OR (trung cap)) phung cong tac than cap.
• Adding a wildcard symbol may retrieve word variants: hoc chinh sach - thanh ((trung cua) or (trung cap)) phung cong tac than cap*.