Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
canh trinh » canh tranh, hanh trinh, canh tinh
doi chieu » doc hieu, doi chi, ho chieu
trinh vat » trinh van, trinh luat, sinh vat
vat nhung » va nhung, vap nhung, vai nhung
cong dan » cong tan, huong dan, cong tac
cong san » cong tac
phan cac » nhan cach, phan dau, phan lap

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 - canh trinh vat nhung ((((cong dan) OR (cong dong))) or (cong san)) phan cac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sach - canh trinh vat nhung ((((cong dan) OR (cong dong))) OR (cong san)) phan cac.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chieu sach - canh trinh vat nhung ((((cong dan) OR (cong dong))) or (cong san)) phan cac".
• Adding a wildcard symbol may retrieve word variants: doi chieu sach - canh trinh vat nhung ((((cong dan) OR (cong dong))) or (cong san)) phan cac*.