Perhaps you should try some spelling variations:
chinh doanh » kinh doanh
canh doanh » hanh doanh, doanh doanh, kinh doanh
hang luong » nang luong, hang thuong, thang long
hieu lang » chieu sang, hieu quang, nhieu tang
doi hieu » doi chieu, doc hieu, doi hien
dan phan » doan phan, dan chan, van phan
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: doi hieu lang - ((canh doanh) or (chinh doanh)) luan ((hang luong) OR (hoang vuong)) dan phan cac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi hieu lang - ((canh doanh) OR (chinh doanh)) luan ((hang luong) OR (hoang vuong)) dan phan cac.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi hieu lang - ((canh doanh) or (chinh doanh)) luan ((hang luong) OR (hoang vuong)) dan phan cac".
• Adding a wildcard symbol may retrieve word variants: doi hieu lang - ((canh doanh) or (chinh doanh)) luan ((hang luong) OR (hoang vuong)) dan phan cac*.