Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
trung tuan » trung thanh, trung tam, tran tuan
doi chieu » doc hieu, doi chi, ho chieu
dung cong » dung trong
tung cua » trung cua, tuong cua, dung cua
cong dan » cong san, cong tan, huong dan
dan can » dan chan, dan canh, dan ca
can cau » van cau, ban cau, ca cau

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 ((tung cua) or (trung tuan)) dung cong dan can cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sach - thanh ((tung cua) OR (trung tuan)) dung cong dan can cau.
• Adding a wildcard symbol may retrieve word variants: doi chieu sach - thanh ((tung cua) or (trung tuan)) dung cong dan can cau*.