Perhaps you should try some spelling variations:
chieu xanh » chieu sang, chieu tinh, hieu manh
chieu sach » chinh sach, chiet tach, chieu sang
tranh va » tranh van, trang va, trinh va
cong dan » cong san, cong tan, huong dan
cong tac » cong ty
toan tap » toan ban
va hang » van hang, va nang, va lang

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((chieu xanh) or (chieu sach)) - canh tranh va hang ((cong dan) or (cong tac)) toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu xanh) OR (chieu sach)) - canh tranh va hang ((cong dan) OR (cong tac)) toan tap.
• Adding a wildcard symbol may retrieve word variants: ho ((chieu xanh) or (chieu sach)) - canh tranh va hang ((cong dan) or (cong tac)) toan tap*.