Perhaps you should try some spelling variations:
chieu sang » chieu xanh, hieu lang, nhieu tang
chieu sach » chinh sach, chiet tach, chieu xanh
thanh dung » thanh duong, thanh tung, thanh hung
thanh tra » thanh toan, thanh hoa
tra thanh » tran thanh, ta thanh, thai thanh
cong dan » cong tan, huong dan, cong dong
cong san » cong tac
than cau » toan cau, phan cau, than cap

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi ((chieu sang) or (chieu sach)) - thanh tra thanh dung ((cong dan) OR (cong san)) than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chieu sang) OR (chieu sach)) - thanh tra thanh dung ((cong dan) OR (cong san)) than cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi ((chieu sang) or (chieu sach)) - thanh tra thanh dung ((cong dan) OR (cong san)) than cau".
• Adding a wildcard symbol may retrieve word variants: doi ((chieu sang) or (chieu sach)) - thanh tra thanh dung ((cong dan) OR (cong san)) than cau*.