Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
tieu sach » chieu sach, dien sach, te sach
khach san » khach hang, thanh san
dang cong » dung cong
dan toan » van toan, dan than, manh toan
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 - khach san cua ((nhung cong) or (dang cong)) dan toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu sach - khach san cua ((nhung cong) OR (dang cong)) dan toan ban*.