Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
hanh doanh » hang doanh, chinh doanh, doanh doanh
doanh luan » doanh nhan
hoc thieu » toc thieu, hoc hien
luan han » luan hoan, luan phan, luan van
han cong » phan cong, hang cong, hanh cong
dan than » dan chan, van than, dan toan
ban than » ban thanh, van thanh, ban hang

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 xanh - hanh doanh luan han cong ((dan than) OR (ban than)) cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - hanh doanh luan han cong ((dan than) OR (ban than)) cau".
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - hanh doanh luan han cong ((dan than) OR (ban than)) cau*.