Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu sach » chinh sach, chiet tach, chieu sang
cong thanh » dong thanh, cong trinh, truong thanh
doi chieu » doc hieu, doi chi, ho chieu
trung cua » truong cua, trung tuan, trung cap
cua nhung » va nhung
cong san » cong tac
cong tan » cong tac, cong ty, cong ha
phan cau » phan dau, phan cac, phan tu

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