Perhaps you should try some spelling variations:
thieu sach » chieu sach, thien hach, hieu cach
hanh doanh » hang doanh, chinh doanh, doanh doanh
nhung dang » nhung lang, nhung dung, nhung bang
hoc thieu » toc thieu, hoc hien
doanh cua » doanh luan
cua nhung » va nhung
thanh cau » thanh chau, thanh mau, nhanh cau
thanh chu » thanh chau, thanh cha, thanh thu
dang van » hoang van, hang va

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc thieu sach - hanh doanh cua nhung dang van ((thanh cau) or (thanh chu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu sach - hanh doanh cua nhung dang van ((thanh cau) OR (thanh chu)).
• Adding a wildcard symbol may retrieve word variants: hoc thieu sach - hanh doanh cua nhung dang van ((thanh cau) or (thanh chu))*.