Perhaps you should try some spelling variations:
thieu sach » chieu sach, thien hach, hieu cach
hanh doanh » hang doanh, chinh doanh, doanh doanh
doanh luan » doanh nhan
hoc thieu » toc thieu, hoc hien
luan hang » luan nang, luan han, luan hung
hang dang » hoang dang, hang hang, dang dang
luan phan » luan hoan
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 luan hang dang van ((luan phan) or (luan van))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu sach - hanh doanh luan hang dang van ((luan phan) OR (luan van)).
• Adding a wildcard symbol may retrieve word variants: hoc thieu sach - hanh doanh luan hang dang van ((luan phan) or (luan van))*.