Perhaps you should try some spelling variations:
doanh doanh » toan doanh, doanh hoan, doanh thanh
chinh doanh » kinh doanh
canh doanh » hanh doanh, kinh doanh, canh tranh
cong doanh » cong danh, cong doan, dong doanh
doanh phan » doanh nhan, doan phan, doanh thanh
hieu lang » chieu sang, hieu quang, nhieu tang
cua trong » cua truong, cua trung, qua trong
phan dau » phan tu, hang dau
ho hieu » ho chieu, hoi hieu, nho hieu

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: ho hieu lang - ((((canh doanh) OR (chinh doanh))) OR (doanh doanh)) cua trong cong doanh phan dau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho hieu lang - ((((canh doanh) OR (chinh doanh))) or (doanh doanh)) cua trong cong doanh phan dau~".
• Adding a wildcard symbol may retrieve word variants: ho hieu lang - ((((canh doanh) OR (chinh doanh))) or (doanh doanh)) cua trong cong doanh phan dau*.