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
than cap » thanh lap, thanh cac, than cua
khan cap » khan ap, khoan cam, phan 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) OR (khan 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) OR (khan cap)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc chinh sach - thanh ((trung cua) or (trung cap)) phung cong tac ((than cap) OR (khan cap))".
• Adding a wildcard symbol may retrieve word variants: hoc chinh sach - thanh ((trung cua) or (trung cap)) phung cong tac ((than cap) OR (khan cap))*.