Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
thanh tung » thanh cong
hang cong » dang cong, hang nong, bang cong
ho chieu » theo chieu, hoc thieu, doi chieu
dan than » dan chan, ban than, van than
ban hang » ngan hang
tung va » trung va, tuong va, dung va
va hang » van hang, va nang, va lang

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chieu sach - thanh tung va hang cong ((dan than) or (ban hang)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - thanh tung va hang cong ((dan than) OR (ban hang)) cau*.