Perhaps you should try some spelling variations:
theo chieu » theo tieu, theo chu, thi chieu
tong cong » trong cong, cong cong, dung cong
ho chieu » hoc thieu, doi chieu, mot 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 ban » van ban
va tong » va thong, va tuong, va trong

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