Perhaps you should try some spelling variations:
cong thanh » dong thanh, cong trinh, truong thanh
ho chinh » hoc chinh, cho chinh, hoa chinh
anh tang » anh bang, anh dang, anh nang
tang cua » mang cua, hang cua, tang luan
cua dung » cua dang, cua dong, qua dung
cong tan » cong tac, cong san, cong ty
tran cau » tran chau, toan cau, ran cau
tran huu » tran duc

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chinh sach - anh tang cua dung ((cong tan) or (cong thanh)) ((tran cau) or (tran huu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chinh sach - anh tang cua dung ((cong tan) OR (cong thanh)) ((tran cau) OR (tran huu)).
• Adding a wildcard symbol may retrieve word variants: ho chinh sach - anh tang cua dung ((cong tan) or (cong thanh)) ((tran cau) or (tran huu))*.