Perhaps you should try some spelling variations:
bang cong » dang cong, bang song, hang cong
ho chieu » theo chieu, hoc thieu, doi chieu
tranh va » tranh van, trang va, trinh va
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van toan
toan tap » toan ban
va bang » va nang, va lang, va ban

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) or (toc thieu)) xanh - canh tranh va bang cong tan toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (toc thieu)) xanh - canh tranh va bang cong tan toan tap.
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (toc thieu)) xanh - canh tranh va bang cong tan toan tap*.