Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hanh tranh » canh tranh, hanh trang, lanh tranh
hanh trinh » canh tranh, hanh chinh
doi chieu » doc hieu, doi chi, ho chieu
dung cong » dung trong
van dung » van dong, xay dung, tin dung
cong dan » cong san, cong tan, huong dan
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) or (hanh trinh)) van dung cong dan toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sach - ((hanh tranh) OR (hanh trinh)) van dung cong dan toan ban.
• Adding a wildcard symbol may retrieve word variants: doi chieu sach - ((hanh tranh) or (hanh trinh)) van dung cong dan toan ban*.