Perhaps you should try some spelling variations:
trien quang » tran quang, tuyen quang, dien quang
nhung huong » nhung phuong, nhung tuong, nhung cong
canh doanh » hanh doanh, chinh doanh, doanh doanh
hieu lang » chieu sang, hieu quang, nhieu tang
doanh cua » doanh luan
cua nhung » va nhung
toan cau » toan cao, toan ban, toan tai
toan tap » toan ban

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: doc ((hieu lang) OR (trien quang)) - canh doanh cua nhung huong dan ((toan cau) OR (toan tap))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doc ((hieu lang) or (trien quang)) - canh doanh cua nhung huong dan ((toan cau) OR (toan tap))~".
• Adding a wildcard symbol may retrieve word variants: doc ((hieu lang) or (trien quang)) - canh doanh cua nhung huong dan ((toan cau) OR (toan tap))*.