Perhaps you should try some spelling variations:
nhung song » nhung cong, nhung bong, nhung chong
cho nhung » cho chuong, cua nhung, thi nhung
chu xanh » chieu xanh, chua xang, chuc danh
chu manh » ho manh, chu han, chu van
song van » hoang van, trong van, duong van
van toan » van tuan, van tan, van thanh
toan cao » toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: chao ((chu xanh) or (chu manh)) - sach dung cho nhung song van toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: chao ((chu xanh) OR (chu manh)) - sach dung cho nhung song van toan cao.
• Adding a wildcard symbol may retrieve word variants: chao ((chu xanh) or (chu manh)) - sach dung cho nhung song van toan cao*.