Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
trung tuan » trung thanh, trung tam, tran tuan
nhung cong » dung cong, thong cong, hang cong
doi chieu » doc hieu, doi chi, ho chieu
canh chau » canh cha, chinh chau, doanh chau
tung cua » trung cua, tuong cua, dung cua
cong dan » cong san, cong tan, huong dan
canh cau » can cau, danh cau, canh chuc

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)) nhung cong dan ((canh cau) OR (canh chau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sach - thanh ((tung cua) OR (trung tuan)) nhung cong dan ((canh cau) OR (canh chau)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chieu sach - thanh ((tung cua) or (trung tuan)) nhung cong dan ((canh cau) OR (canh chau))".
• Adding a wildcard symbol may retrieve word variants: doi chieu sach - thanh ((tung cua) or (trung tuan)) nhung cong dan ((canh cau) OR (canh chau))*.