Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hanh trung » thanh trung, hanh trang, manh trung
doi chieu » doc hieu, doi chi, ho chieu
manh hung » anh huong
vinh toan » tinh toan, hinh toan, minh toan
cong dan » cong san, cong tan, huong dan
dan vinh » dang vinh, danh vinh, van vinh
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 trung) or (manh hung)) cua cong dan vinh toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sach - ((hanh trung) OR (manh hung)) cua cong dan vinh toan ban.
• Adding a wildcard symbol may retrieve word variants: doi chieu sach - ((hanh trung) or (manh hung)) cua cong dan vinh toan ban*.