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