Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hanh trung » thanh trung, hanh trang, manh trung
hanh trinh » canh tranh, hanh chinh
hoi chieu » doi chieu, ho chieu, hai chieu
dung cong » dung trong
cap dung » ap dung, cao dung, chan dung
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
toan cao » toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoi chieu sach - ((hanh trung) or (hanh trinh)) cap dung cong dan toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoi chieu sach - ((hanh trung) OR (hanh trinh)) cap dung cong dan toan cao.
• Adding a wildcard symbol may retrieve word variants: hoi chieu sach - ((hanh trung) or (hanh trinh)) cap dung cong dan toan cao*.