Perhaps you should try some spelling variations:
luan nhung » luan chung, luan hung, quan nhung
nhung cong » dung cong, thong cong, hang cong
hanh dung » thanh dung, anh dung, hanh dong
cong manh » cong danh, duong manh, cong thanh
manh toan » thanh toan, anh tuan, tinh toan
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: ((moi co) OR (mai co)) sach - hanh dung luan nhung cong manh toan cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((moi co) OR (mai co)) sach - hanh dung luan nhung cong manh toan cao".
• Adding a wildcard symbol may retrieve word variants: ((moi co) OR (mai co)) sach - hanh dung luan nhung cong manh toan cao*.