Perhaps you should try some spelling variations:
hanh doanh » hang doanh, chinh doanh, doanh doanh
luan nhung » luan chung, quan nhung, luan phuong
hoc thieu » toc thieu
luan hung » luan chung, lan hung, luan ung
cong san » cong tac
san than » sang than, san thanh, ban than
than cau » toan cau, phan cau, than cap

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