Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
canh trinh » canh tranh, hanh trinh, canh tinh
ho chieu » theo chieu, hoc thieu, doi chieu
trinh va » trinh van, trinh vat, trinh ve
va thong » va thuong, va phuong, he thong
cong dan » cong san, cong tan, cong tac
toan tap » toan 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 - canh trinh va thong ((((cong dan) OR (cong dong))) or (huong dan)) toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - canh trinh va thong ((((cong dan) OR (cong dong))) OR (huong dan)) toan tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sach - canh trinh va thong ((((cong dan) OR (cong dong))) or (huong dan)) toan tap".
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - canh trinh va thong ((((cong dan) OR (cong dong))) or (huong dan)) toan tap*.