Perhaps you should try some spelling variations:
chinh doanh » kinh doanh
cao thuong » cao truong, ca thuong, cho thuong
cua khong » hua khong, cua phuong, cua thuong
hoc hieu » hoc thieu, hoc hien, doc hieu
cong san » cong tac
hieu va » lieu va, hieu qua
san van » tan van, luan van, tran van

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc hieu va - chinh doanh ((cua khong) or (cao thuong)) cong san van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hieu va - chinh doanh ((cua khong) OR (cao thuong)) cong san van ban.
• Adding a wildcard symbol may retrieve word variants: hoc hieu va - chinh doanh ((cua khong) or (cao thuong)) cong san van ban*.