Perhaps you should try some spelling variations:
luan nhung » luan chung, luan hung, quan nhung
duong manh » duong van
hanh dung » thanh dung, anh dung, hanh dong
cong manh » cong danh, cong thanh, hoang manh
toan cao » toan ban, toan tap
co sach » bo sach, cuon sach, hoc sach
doi co » doi bo, moi co, hoi co

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi co sach - hanh dung luan nhung ((cong manh) OR (duong manh)) toan cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi co sach - hanh dung luan nhung ((cong manh) OR (duong manh)) toan cao".
• Adding a wildcard symbol may retrieve word variants: doi co sach - hanh dung luan nhung ((cong manh) OR (duong manh)) toan cao*.