Perhaps you should try some spelling variations:
nhung phuong » dung phuong, nhu phuong, truong phuong
chinh doanh » kinh doanh
hieu quang » thieu quang, hieu quan, hieu qua
hieu sang » chieu sang, hieu lang, nhieu tang
doanh cua » doanh luan
cua nhung » va nhung
manh toan » thanh toan, anh tuan

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 sang) OR (hieu quang)) - chinh doanh cua nhung phuong ((manh toan) OR (tinh toan)) tap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doc ((hieu sang) or (hieu quang)) - chinh doanh cua nhung phuong ((manh toan) OR (tinh toan)) tap~".
• Adding a wildcard symbol may retrieve word variants: doc ((hieu sang) or (hieu quang)) - chinh doanh cua nhung phuong ((manh toan) OR (tinh toan)) tap*.