Perhaps you should try some spelling variations:
doi chieu » doc hieu, doi chi, mot chieu
tranh chu » tranh chua, trinh chu, thanh chu
bang cong » dang cong, bang song, hang cong
ho chieu » theo chieu, hoc thieu, mot chieu
chu bang » thu bang, chuc nang, chu quang
cong tac » cong ty
than cau » toan cau, than cap, thanh chau
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: ((doi chieu) or (ho chieu)) xanh - canh tranh chu bang cong tac ((than cau) or (phan cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doi chieu) OR (ho chieu)) xanh - canh tranh chu bang cong tac ((than cau) OR (phan cau)).
• Adding a wildcard symbol may retrieve word variants: ((doi chieu) or (ho chieu)) xanh - canh tranh chu bang cong tac ((than cau) or (phan cau))*.