Perhaps you should try some spelling variations:
chinh doanh » kinh doanh
hieu quang » thieu quang, hieu qua, diep quang
doanh luan » doanh nhan
hieu quan » hieu qua, lieu quan, thien quan
hang cong » hang nong, bang cong, thanh cong
dang cong » dung cong
than phan » thanh phan, toan phan, thanh pham
phan cac » nhan cach, phan dau, phan lap

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 quang) or (hieu quan)) - chinh doanh luan ((hang cong) OR (dang cong)) than phan cac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc ((hieu quang) OR (hieu quan)) - chinh doanh luan ((hang cong) OR (dang cong)) than phan cac.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doc ((hieu quang) or (hieu quan)) - chinh doanh luan ((hang cong) OR (dang cong)) than phan cac".
• Adding a wildcard symbol may retrieve word variants: doc ((hieu quang) or (hieu quan)) - chinh doanh luan ((hang cong) OR (dang cong)) than phan cac*.