Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
dong trong » duong trong, dung trong, cong trong
trung cua » truong cua, trung tuan, dung cua
trung cap » truong cao
trong dan » trong dang, trong san, trong tan
ho chieu » theo chieu, hoc thieu, doi chieu
dan than » dan chan, ban than, van than
than cap » khan cap, thanh lap, thanh cac

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - thanh ((trung cua) OR (((trung cap) OR (trung tam)))) dong trong dan than cap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sach - thanh ((trung cua) or (((trung cap) OR (trung tam)))) dong trong dan than cap~".
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - thanh ((trung cua) or (((trung cap) OR (trung tam)))) dong trong dan than cap*.