Perhaps you should try some spelling variations:
doanh doanh » toan doanh, doanh hoan, doanh thanh
thieu xanh » chieu xanh, hieu manh, thien anh
doanh luan » doanh nhan
hoc thieu » toc thieu, hoc hien
luan hoan » luan van
chinh cau » chinh chau, chinh ca, chinh can
cong dan » cong san, huong dan, cong dong
cong tan » cong tac, cong san, cong thanh
chan cau » phan cau, can cau, nhanh 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 doanh luan hoan ((cong dan) or (cong tan)) ((chan cau) OR (chinh cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - doanh doanh luan hoan ((cong dan) OR (cong tan)) ((chan cau) OR (chinh cau)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - doanh doanh luan hoan ((cong dan) or (cong tan)) ((chan cau) OR (chinh cau))".
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - doanh doanh luan hoan ((cong dan) or (cong tan)) ((chan cau) OR (chinh cau))*.