Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
truong cao » truong dai
doi chieu » doc hieu, doi chi, ho chieu
truong ca » truong va, trong ca, truong dai
cong san » cong tac
san chon » san cho, san choi, san chang
chon cac » cho cac, thong cac, hoc cac

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 - thanh ((truong ca) or (truong cao)) trong cong san chon cac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sach - thanh ((truong ca) OR (truong cao)) trong cong san chon cac.
• Adding a wildcard symbol may retrieve word variants: doi chieu sach - thanh ((truong ca) or (truong cao)) trong cong san chon cac*.