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 tan » cong tac, cong san, cong thanh
tan than » tan thanh, tan tran, ban than
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 tan than 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 tan than cap".
• Adding a wildcard symbol may retrieve word variants: hoc chinh sach - thanh ((trung cua) OR (trung cap)) phung cong tan than cap*.