Perhaps you should try some spelling variations:
thanh tuong » thanh thuong, thanh tung, thanh huong
thieu xanh » chieu xanh, hieu manh, thien anh
quan duong » tuan duong, quan dong, qua duong
duong cong » dung cong, luong cong, duong trong
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 tuong) or (thanh cong)) quan duong cong san van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - ((thanh tuong) OR (thanh cong)) quan duong cong san van ban.
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - ((thanh tuong) or (thanh cong)) quan duong cong san van ban*.