Perhaps you should try some spelling variations:
chinh doanh » kinh doanh
hieu quang » thieu quang, hieu qua, diep quang
doanh luan » doanh nhan
thanh phan » thanh pho, thanh san, thanh toan
hieu quan » hieu qua, lieu quan, thien quan
luan hang » luan nang, luan han, luan hung
hang cong » dang cong, hang nong, bang cong
than phan » toan phan, thanh pham, thanh nhan

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 ((than phan) OR (thanh 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 ((than phan) OR (thanh 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 ((than phan) OR (thanh phan)) cac".
• Adding a wildcard symbol may retrieve word variants: doc ((hieu quang) or (hieu quan)) - chinh doanh luan hang cong ((than phan) OR (thanh phan)) cac*.