Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
truong cua » truong ca, truong quan, truong cao
doi chieu » doc hieu, doi chi, ho chieu
trung cap » truong cao, trung tam
lang toan » lang thang, lang thanh, quang toan
dang toan » dang tran, dan toan, dung toan

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 cua) or (trung cap)) trong cong ((lang toan) OR (dang toan)) cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sach - thanh ((truong cua) OR (trung cap)) trong cong ((lang toan) OR (dang toan)) cao*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chieu sach - thanh ((truong cua) or (trung cap)) trong cong ((lang toan) OR (dang toan)) cao*".