Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
chiet tach » chieu sach
canh tran » canh tranh, hanh trang, banh trang
cong than » cong thanh, cong thang, cong tan
tran van » luan van
van hung » van dung, manh hung, van duong
cong san » cong tac
phan cau » phan dau, phan cac, phan tu

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 (chiet tach)) - canh tran van hung ((cong than) or (cong san)) phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu xanh) OR (chiet tach)) - canh tran van hung ((cong than) OR (cong san)) phan cau.
• Adding a wildcard symbol may retrieve word variants: ho ((chieu xanh) or (chiet tach)) - canh tran van hung ((cong than) or (cong san)) phan cau*.