Perhaps you should try some spelling variations:
nhung phuong » dung phuong, nhu phuong, truong phuong
hanh doanh » hang doanh, chinh doanh, doanh doanh
phuong dan » phuong danh, phuong doan, huong dan
hieu sach » chieu sach, dien sach, hieu cac
hieu cach » hieu cac, chieu sach, hieu ca
doanh cua » doanh luan
cua nhung » va nhung
chan cau » can cau, chinh cau, nhanh cau
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 (hieu cach)) - hanh doanh cua nhung phuong dan ((chan cau) OR (phan cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc ((hieu sach) OR (hieu cach)) - hanh doanh cua nhung phuong dan ((chan cau) OR (phan cau)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "doc ((hieu sach) or (hieu cach)) - hanh doanh cua nhung phuong dan ((chan cau) OR (phan cau))".
• Adding a wildcard symbol may retrieve word variants: doc ((hieu sach) or (hieu cach)) - hanh doanh cua nhung phuong dan ((chan cau) OR (phan cau))*.