Perhaps you should try some spelling variations:
chieu sang » chieu xanh, hieu lang, nhieu tang
chieu sach » chinh sach, chiet tach, chieu xanh
thanh tran » thanh trang, thanh toan, thanh tra
cuong cong » cong cong, luong cong, duong cong
van cuong » van chuong, van duong, van cong
tran van » luan van
cong dan » cong san, cong tan, huong dan
toan cau » toan cao, toan tap, toan tai
toan ban » van ban

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

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