Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
trung tuan » trung thanh, trung tam, tran tuan
trung van » truong van, trung va, trung phan
trong van » trong cac
trong san » trong cac, cong san, dong san
ho chieu » theo chieu, hoc thieu, doi chieu
san toan » van toan, dan toan, manh toan
toan ban » van 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 - thanh ((((trung van) OR (trung tuan))) or (trong van)) dung trong san toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - thanh ((((trung van) OR (trung tuan))) OR (trong van)) dung trong san toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sach - thanh ((((trung van) OR (trung tuan))) or (trong van)) dung trong san toan ban".
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - thanh ((((trung van) OR (trung tuan))) or (trong van)) dung trong san toan ban*.