Perhaps you should try some spelling variations:
cuong quan » vuong quan, luong quang, thong quan
luong quan » thong quan, duong qua
hoc chinh » hoan chinh, hoc sinh, hoc kinh
dung cong » dung trong
khoan cam » khoa cam, khoan va, phan cam
cong san » cong tac
khan cap » khan ap, than cap, 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 ((cuong quan) or (luong quan)) dung cong san ((khan cap) OR (khoan cam))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chinh sach - thanh ((cuong quan) OR (luong quan)) dung cong san ((khan cap) OR (khoan cam)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc chinh sach - thanh ((cuong quan) or (luong quan)) dung cong san ((khan cap) OR (khoan cam))".
• Adding a wildcard symbol may retrieve word variants: hoc chinh sach - thanh ((cuong quan) or (luong quan)) dung cong san ((khan cap) OR (khoan cam))*.