Perhaps you should try some spelling variations:
nhung phuong » dung phuong, nhu phuong, truong phuong
phuong loan » phuong lan, huong loan, phuong doan
hanh doanh » hang doanh, chinh doanh, doanh doanh
loan chuan » doan chuan
hieu sach » chieu sach, dien sach, hieu cac
hieu cach » hieu cac, chieu sach, hieu ca
doanh cua » doanh luan
cua nhung » va nhung
chuan cau » chuan chau, chua cau, chuan chat

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