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
ban phuong » bang phuong, ban huong, van phuong
phuong cau » huong cau, phuong cham, phuong cach
doi chieu » doc hieu, doi chi, ho chieu
trung cap » truong cao, trung tam
cong ban » cong bang, cong san, cong tan

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