Perhaps you should try some spelling variations:
canh doanh » hanh doanh, chinh doanh, doanh doanh
doanh luan » doanh nhan
hieu manh » chieu xanh, hieu nganh, dieu hanh
luan tong » luan tuong, luan cong, luan dong
tong cong » trong cong, cong cong, dung cong
hoc hieu » hoc thieu, hoc hien, doc hieu
dan than » dan chan, ban than, van than

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 manh - canh doanh luan tong cong ((tinh toan) or (dan than)) cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hieu manh - canh doanh luan tong cong ((tinh toan) OR (dan than)) cao*.