Perhaps you should try some spelling variations:
doanh thanh » danh thanh, doanh nhan, dinh thanh
thieu xanh » chieu xanh, hieu manh, thien anh
thanh luan » tranh luan, thanh xuan, thanh tuan
cong thanh » dong thanh, cong trinh, cong tan
hoc thieu » toc thieu, hoc hien
luan hoan » luan van
cong dan » cong san, cong tan, huong dan
chan cau » phan cau, can cau, chinh cau

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 - doanh thanh luan hoan ((cong dan) or (cong thanh)) chan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - doanh thanh luan hoan ((cong dan) OR (cong thanh)) chan cau.
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - doanh thanh luan hoan ((cong dan) or (cong thanh)) chan cau*.