Perhaps you should try some spelling variations:
thanh duong » thanh huong, thanh cuong, thanh vuong
thieu xanh » chieu xanh, hieu manh, thien anh
tat thuong » tam thuong, tac thuong, xuat thuong
tai thuong » tai phuong, tai truong, thi thuong
hoc thieu » toc thieu, hoc hien
cong tan » cong tac, cong san, cong thanh
tan van » tran van, tang van, luan van

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 - thanh duong ((((tat thuong) or (luat thuong))) or (tai thuong)) cong tan van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - thanh duong ((((tat thuong) OR (luat thuong))) OR (tai thuong)) cong tan van ban.
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - thanh duong ((((tat thuong) or (luat thuong))) or (tai thuong)) cong tan van ban*.