Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
chiet tach » chieu sach
hanh trinh » canh tranh, hanh chinh
trinh ha » trinh han, trinh hoa, trinh nha
cong tan » cong tac, cong thanh, cong ty
cong san » cong tac
toan ban » van ban
ha dong » hoat dong, van dong

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 sang) or (chiet tach)) - hanh trinh ha dong ((cong tan) or (cong san)) toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sang) OR (chiet tach)) - hanh trinh ha dong ((cong tan) OR (cong san)) toan ban.
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sang) or (chiet tach)) - hanh trinh ha dong ((cong tan) or (cong san)) toan ban*.