Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hanh trang » thanh trung, canh tranh, hanh trinh
ho chieu » theo chieu, hoc thieu, doi chieu
trang va » tran van, hang va
va trong » va truong, va thong, va tuong
cong dan » cong san, cong tan, huong dan
toan tai » toan tap, doanh tai, von tai
toan cao » toan tap
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: ho chieu sach - hanh trang va trong cong dan ((((toan tai) or (toan cao))) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - hanh trang va trong cong dan ((((toan tai) OR (toan cao))) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - hanh trang va trong cong dan ((((toan tai) or (toan cao))) or (toan ban))*.