Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hanh tranh » canh tranh, hanh trinh, hanh trang
doi chieu » doc hieu, doi chi, ho chieu
tranh cua » doanh cua, manh cua
cong cong » dung cong, dang cong
dan toan » van toan, dan than, manh toan
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chieu sach - hanh tranh cua ((trong cong) or (((cong cong) or (cong dong)))) dan toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sach - hanh tranh cua ((trong cong) OR (((cong cong) OR (cong dong)))) dan toan ban.
• Adding a wildcard symbol may retrieve word variants: doi chieu sach - hanh tranh cua ((trong cong) or (((cong cong) or (cong dong)))) dan toan ban*.