Perhaps you should try some spelling variations:
nhung phuong » dung phuong, nhu phuong, truong phuong
chinh doanh » kinh doanh
phuong manh » phuong anh, phung manh, phuong danh
hieu quang » thieu quang, hieu quan, hieu qua
hieu sang » chieu sang, hieu lang, nhieu tang
doanh cua » doanh luan
cua nhung » va nhung
toan ban » van 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 sang) OR (hieu quang)) - chinh doanh cua nhung phuong manh ((toan tap) OR (toan ban))~.
• 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 tap) OR (toan ban))~".
• Adding a wildcard symbol may retrieve word variants: doc ((hieu sang) or (hieu quang)) - chinh doanh cua nhung phuong manh ((toan tap) OR (toan ban))*.