Perhaps you should try some spelling variations:
hanh doanh » hang doanh, chinh doanh, doanh doanh
doanh luan » doanh nhan
hoc thieu » hoc hien
luan hung » luan chung, lan hung, luan ung
dung bai » dung tai, dung sai, dung hai
toan cau » toan cao, toan ban, toan tap
dong ha » dong hoa, dong va, dong hoc

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) OR (toc thieu)) sach - hanh doanh luan hung ((dung bai) or (dong ha)) toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc thieu) OR (toc thieu)) sach - hanh doanh luan hung ((dung bai) OR (dong ha)) toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc thieu) OR (toc thieu)) sach - hanh doanh luan hung ((dung bai) or (dong ha)) toan cau".
• Adding a wildcard symbol may retrieve word variants: ((hoc thieu) OR (toc thieu)) sach - hanh doanh luan hung ((dung bai) or (dong ha)) toan cau*.