Perhaps you should try some spelling variations:
thanh tung » thanh cong
nhung song » nhung cong, nhung bong, nhung chong
hieu xanh » chieu xanh, hieu manh, hieu nganh
cua nhung » va nhung
doc hieu » toc thieu, hoc thieu, hoc hien
song van » hoang van, trong van, duong van
van than » van thanh, van thang, van tuan
than cau » toan cau, phan cau, than cap

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: doc hieu xanh - ((thanh tung) or (anh huong)) cua nhung song van than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc hieu xanh - ((thanh tung) OR (anh huong)) cua nhung song van than cau*.