Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
thi chieu » thi chien, thi hieu, thi hien
bang cong » dang cong, bang song, hang cong
tranh va » tranh van, trang va, trinh va
cong ban » cong bang, cong san, cong tan
ban hanh » ban hang
hanh lap » thanh lap, hanh lam, hanh cap
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: ((theo chieu) or (thi chieu)) sang - canh tranh va bang cong ban hanh lap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (thi chieu)) sang - canh tranh va bang cong ban hanh lap.
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) or (thi chieu)) sang - canh tranh va bang cong ban hanh lap*.