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 » tai thuong, tam thuong, tac thuong
tai phuong » thi phuong, cac phuong, va phuong
hoc thieu » toc thieu, hoc hien
cong san » cong tac
san van » tan van, luan van, tran 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 (tai phuong)) cong san van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - thanh duong ((tat thuong) OR (tai phuong)) cong san van ban.
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - thanh duong ((tat thuong) or (tai phuong)) cong san van ban*.