Perhaps you should try some spelling variations:
hanh doanh » hang doanh, chinh doanh, doanh doanh
bai thanh » ban thanh, mai thanh, bui thanh
tai thanh » thi thanh, tai chinh, ban thanh
doanh cua » doanh luan
cua nhung » va nhung
cong tan » cong san, cong thanh, cong ty
cong tac » cong ty
toan ban » van ban

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) OR (tai thanh)) - hanh doanh 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) OR (tai thanh)) - hanh doanh cua nhung ((cong tan) OR (cong tac)) toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((bai thanh) OR (tai thanh)) - hanh doanh cua nhung ((cong tan) or (cong tac)) toan ban".
• Adding a wildcard symbol may retrieve word variants: hoc ((bai thanh) OR (tai thanh)) - hanh doanh cua nhung ((cong tan) or (cong tac)) toan ban*.