Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
canh trinh » canh tranh, hanh trinh, canh tinh
lang cong » dang cong, bang cong, hang cong
van thanh » ban thanh, van tuan
ho chieu » theo chieu, hoc thieu, doi chieu
trinh va » trinh van, trinh vat, trinh ve
dan toan » van toan, dan than, manh toan
va lang » va nang, hoa 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 - canh trinh va lang cong ((dan toan) or (van thanh)) tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - canh trinh va lang cong ((dan toan) OR (van thanh)) tap.
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - canh trinh va lang cong ((dan toan) or (van thanh)) tap*.