Perhaps you should try some spelling variations:
chinh doanh » kinh doanh
doanh luan » doanh nhan
thanh pham » thanh phan, thanh pho, thanh hai
hieu lang » chieu sang, hieu quang, nhieu tang
hang cong » hang nong, bang cong, thanh cong
dang cong » dung cong
doc hieu » toc thieu, hoc thieu, hoc hien
pham can » pham van, pham lan, pham ca

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 lang - chinh doanh luan ((hang cong) or (dang cong)) thanh pham can~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc hieu lang - chinh doanh luan ((hang cong) OR (dang cong)) thanh pham can.
• Adding a wildcard symbol may retrieve word variants: doc hieu lang - chinh doanh luan ((hang cong) or (dang cong)) thanh pham can*.