Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
canh trinh » canh tranh, hanh trinh, canh tinh
nhung cong » dung cong, thong cong, hang cong
ho chieu » theo chieu, hoc thieu, doi chieu
trinh va » trinh van, trinh vat, trinh ve
cong san » cong tac
chan tu » phan tu, chon tu, chai tu
han tu » phan tu, hanh tu, ban tu

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 - canh trinh va nhung cong san ((chan tu) or (han tu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - canh trinh va nhung cong san ((chan tu) OR (han tu)).
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - canh trinh va nhung cong san ((chan tu) or (han tu))*.