Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
truong ca » truong cao, truong va, truong dai
ho chieu » theo chieu, hoc thieu, doi chieu
trong ca » trong cac, trong nha
cong dan » cong san, huong dan, cong dong
cong tan » cong tac, cong san, cong thanh
chan cau » phan cau, can cau, chinh cau

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 - thanh ((truong ca) or (trong ca)) nhung ((cong dan) OR (cong tan)) chan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - thanh ((truong ca) OR (trong ca)) nhung ((cong dan) OR (cong tan)) chan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sach - thanh ((truong ca) or (trong ca)) nhung ((cong dan) OR (cong tan)) chan cau".
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - thanh ((truong ca) or (trong ca)) nhung ((cong dan) OR (cong tan)) chan cau*.