Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, nhung don
canh doanh » hanh doanh, chinh doanh, doanh doanh
doanh cua » doanh luan
hang cong » dang cong, hang nong, bang 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 va » lieu va, hieu qua

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 va - canh doanh cua ((nhung cong) or (hang cong)) dan than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc hieu va - canh doanh cua ((nhung cong) OR (hang cong)) dan than cau.
• Adding a wildcard symbol may retrieve word variants: doc hieu va - canh doanh cua ((nhung cong) or (hang cong)) dan than cau*.