Perhaps you should try some spelling variations:
nhung phuong » dung phuong, nhu phuong, truong phuong
nhung huong » nhung tuong, nhung cong, nhung dung
hanh doanh » hang doanh, chinh doanh, doanh doanh
chieu sach » chinh sach, chiet tach, chieu sang
hieu sach » hieu cach, dien sach, hieu cac
doanh cua » doanh luan
dan phan » doan phan, dan chan, van phan
phan cau » phan dau, phan cac, phan tu

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: doc ((hieu sach) or (chieu sach)) - hanh doanh cua ((nhung huong) OR (nhung phuong)) dan phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc ((hieu sach) OR (chieu sach)) - hanh doanh cua ((nhung huong) OR (nhung phuong)) dan phan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doc ((hieu sach) or (chieu sach)) - hanh doanh cua ((nhung huong) OR (nhung phuong)) dan phan cau".
• Adding a wildcard symbol may retrieve word variants: doc ((hieu sach) or (chieu sach)) - hanh doanh cua ((nhung huong) OR (nhung phuong)) dan phan cau*.