Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu tinh, hieu manh
chieu sang » chieu sach, hieu lang, nhieu tang
thanh tra » thanh toan, thanh hoa
luan cong » luat cong, luong cong, luan chung
cong cong » cong dong, trong cong, dung cong
tra luan » tra quan, tranh luan, tran xuan
dan toan » dan than, manh toan, xuan toan
van toan » van tuan, van tan, van thanh

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

• Performing a fuzzy search may retrieve terms with similar spellings: doc ((chieu xanh) or (chieu sang)) - thanh tra luan cong cong ((dan toan) or (van toan)) ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc ((chieu xanh) OR (chieu sang)) - thanh tra luan cong cong ((dan toan) OR (van toan)) ban.
• Adding a wildcard symbol may retrieve word variants: doc ((chieu xanh) or (chieu sang)) - thanh tra luan cong cong ((dan toan) or (van toan)) ban*.