Perhaps you should try some spelling variations:
hanh tranh » canh tranh, hanh trinh, hanh trang
bai thanh » ban thanh, tai thanh, mai thanh
tranh cua » doanh cua, manh cua
cua nhung » va nhung
cong tan » cong san, cong thanh, cong ty
cong tac » cong ty
toan ban » van ban
hoc bai » hoc dai, hoc giai

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc bai thanh - hanh tranh cua nhung ((cong tan) or (cong tac)) toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc bai thanh - hanh tranh cua nhung ((cong tan) OR (cong tac)) toan ban.
• Adding a wildcard symbol may retrieve word variants: hoc bai thanh - hanh tranh cua nhung ((cong tan) or (cong tac)) toan ban*.