Perhaps you should try some spelling variations:
tieu sach » chieu sach, dien sach, te sach
cua nhung » va nhung
hanh san » thanh san, khach san, thanh son
cong dan » cong san, huong dan, cong dong
cong tan » cong tac, cong san, cong thanh
toan ban » van ban
san cua » sang cua, ban cua, dan cua

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 san cua nhung ((cong dan) or (cong tan)) toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu sach - hanh san cua nhung ((cong dan) OR (cong tan)) toan ban*.