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
luan nhung » luan chung, luan hung, quan nhung
hoc thieu » toc thieu, hoc hien
cung bai » cuong bai, dung bai, nhung bai
dong hoc » dong co, dong luc
toan cau » toan cao, toan ban, toan tap

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 nhung ((cung bai) or (dong hoc)) toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu sach - hanh doanh luan nhung ((cung bai) OR (dong hoc)) toan cau.
• Adding a wildcard symbol may retrieve word variants: hoc thieu sach - hanh doanh luan nhung ((cung bai) or (dong hoc)) toan cau*.