Perhaps you should try some spelling variations:
thanh tung » thanh cong
chi sach » chinh sach, chieu sach, co sach
cong dan » cong san, huong dan, cong dong
cong tan » cong tac, cong san, cong thanh
bang cau » hang cau, bang cac, nang cao
doi chi » doi khi
tung ap » tang ap, tung dan, tung bay
ap dung » xay dung, van dung
ban cau » ban can, van cau, ban dau

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chi sach - thanh tung ap dung ((cong dan) or (cong tan)) ((ban cau) or (bang cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chi sach - thanh tung ap dung ((cong dan) OR (cong tan)) ((ban cau) OR (bang cau)).
• Adding a wildcard symbol may retrieve word variants: doi chi sach - thanh tung ap dung ((cong dan) or (cong tan)) ((ban cau) or (bang cau))*.