Perhaps you should try some spelling variations:
chinh doanh » kinh doanh
nhung cong » dung cong, thong cong, hang cong
doanh cua » doanh luan
dang cong » dung cong
doc hieu » toc thieu, hoc thieu, hoc hien
dan than » dan chan, ban than, van than
than cau » toan cau, phan cau, than cap
hieu ca » hieu cac, hieu cua, hieu va

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

• Performing a fuzzy search may retrieve terms with similar spellings: doc hieu ca - chinh doanh cua ((nhung cong) or (dang cong)) dan than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc hieu ca - chinh doanh cua ((nhung cong) OR (dang cong)) dan than cau.
• Adding a wildcard symbol may retrieve word variants: doc hieu ca - chinh doanh cua ((nhung cong) or (dang cong)) dan than cau*.