Perhaps you should try some spelling variations:
hanh doanh » hang doanh, chinh doanh, doanh doanh
doanh cua » doanh luan
cua nhung » va nhung
cong bang » cuong bang, dong bang, hong bang
doi chau » doi chieu, gioi chau, hoi chu
cong ban » cong san, cong tan, cong dan
khan ap » khan cap, han ap, khan dam

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((doi chau) or (doi khi)) tinh - hanh doanh cua nhung ((cong ban) OR (cong bang)) khan ap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doi chau) OR (doi khi)) tinh - hanh doanh cua nhung ((cong ban) OR (cong bang)) khan ap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((doi chau) or (doi khi)) tinh - hanh doanh cua nhung ((cong ban) OR (cong bang)) khan ap".
• Adding a wildcard symbol may retrieve word variants: ((doi chau) or (doi khi)) tinh - hanh doanh cua nhung ((cong ban) OR (cong bang)) khan ap*.