Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
doi chieu » doc hieu, doi chi, ho chieu
hanh manh » hanh mang, hoang manh, thanh minh
lanh manh » lanh tranh, lan anh, van manh
chua nang » chuc nang, chua xang, kha nang
cong dan » cong san, cong tan, cong dong
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 manh) or (lanh manh)) chua nang ((cong dan) or (huong dan)) toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sach - ((hanh manh) OR (lanh manh)) chua nang ((cong dan) OR (huong dan)) toan ban.
• Adding a wildcard symbol may retrieve word variants: doi chieu sach - ((hanh manh) or (lanh manh)) chua nang ((cong dan) or (huong dan)) toan ban*.