Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
trung cua » truong cua, trung tuan, dung cua
trung cap » truong cao, trung tam
ho chieu » theo chieu, hoc thieu, doi chieu
cong dan » cong san, huong dan, cong dong
cong tan » cong tac, cong san, cong thanh
than cau » toan cau, phan cau, than cap

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)) thong ((cong dan) OR (cong tan)) than cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sach - thanh ((trung cua) OR (trung cap)) thong ((cong dan) or (cong tan)) than cau~".
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - thanh ((trung cua) OR (trung cap)) thong ((cong dan) or (cong tan)) than cau*.