Perhaps you should try some spelling variations:
luan phuong » lan phuong, quang phuong, doan phuong
chinh doanh » kinh doanh
thieu sach » chieu sach, thien hach, hieu cach
hoc thieu » toc thieu, hoc hien
cua khong » hua khong, cua phuong, cua thuong
cong san » cong tac
san van » tan van, luan van, tran van

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 - chinh doanh ((cua khong) or (luan phuong)) cong san van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu sach - chinh doanh ((cua khong) OR (luan phuong)) cong san van ban.
• Adding a wildcard symbol may retrieve word variants: hoc thieu sach - chinh doanh ((cua khong) or (luan phuong)) cong san van ban*.