Perhaps you should try some spelling variations:
hieu nganh » vien nganh, hiem ngan, hieu manh
canh doanh » hanh doanh, chinh doanh, doanh doanh
doanh luan » doanh nhan
hang cong » dang cong, hang nong, bang cong
dung cong » dung trong
doc hieu » toc thieu, hoc thieu, hoc hien
dan than » dan chan, ban than, van than
than cau » toan cau, phan cau, than cap

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

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