Perhaps you should try some spelling variations:
nhung phuong » dung phuong, nhu phuong, truong phuong
phuong doan » phuong loan, phuong hoang, huong dan
hanh doanh » hang doanh, chinh doanh, doanh doanh
hieu sach » chieu sach, dien sach, hieu cac
hieu cach » hieu cac, chieu sach, hieu ca
doanh cua » doanh luan
cua nhung » va nhung
doan chan » doan chuan, dan chan, doan phan
chan cau » phan cau, can cau, chinh cau

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 doan chan 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 doan chan cau.
• Adding a wildcard symbol may retrieve word variants: doc ((hieu sach) or (hieu cach)) - hanh doanh cua nhung phuong doan chan cau*.