Perhaps you should try some spelling variations:
chieu xanh » chieu sang, chieu tinh, hieu manh
chieu sach » chinh sach, chiet tach, chieu sang
canh thanh » canh tranh, danh thanh, anh thanh
thanh van » thanh san, thanh toan, thanh phan
van nhung » van nhuong, va nhung, van hung
cong san » cong tac
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: doi ((chieu xanh) OR (chieu sach)) - canh thanh van nhung ((cong san) or (huong dan)) toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chieu xanh) OR (chieu sach)) - canh thanh van nhung ((cong san) OR (huong dan)) toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi ((chieu xanh) OR (chieu sach)) - canh thanh van nhung ((cong san) or (huong dan)) toan ban".
• Adding a wildcard symbol may retrieve word variants: doi ((chieu xanh) OR (chieu sach)) - canh thanh van nhung ((cong san) or (huong dan)) toan ban*.