Perhaps you should try some spelling variations:
dang nguong » dang thuong, tang nguon, dang cuong
dung nguon » dung nguoi, luong nguon, dung ngan
tieu sach » chieu sach, dien sach, te sach
hanh ban » thanh ban, hang ban, hanh san
khan man » than man, khanh van, khac manh
ban cua » ban quan
khan ma » nhan ma, than ma, khan maaz

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo tieu sach - hanh ban cua ((dang nguong) or (dung nguon)) dan ((khan man) or (khan ma))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu sach - hanh ban cua ((dang nguong) OR (dung nguon)) dan ((khan man) OR (khan ma)).
• Adding a wildcard symbol may retrieve word variants: theo tieu sach - hanh ban cua ((dang nguong) or (dung nguon)) dan ((khan man) or (khan ma))*.