Perhaps you should try some spelling variations:
theo chieu » ho chieu, theo chu, thi chieu
nang cong » nang song, dang cong, bang cong
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 cau » toan cao, toan ban, toan tap
va nang » van nang, da nang, cam nang

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((theo chieu) or (theo tieu)) xanh - canh tranh va nang cong tan toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (theo tieu)) xanh - canh tranh va nang cong tan toan cau.
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) or (theo tieu)) xanh - canh tranh va nang cong tan toan cau*.