Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu sach » chinh sach, chiet tach, chieu sang
cong luong » cong thuong, nang luong, cong cong
doi chieu » doc hieu, doi chi, mot chieu
trung cap » truong cao, trung tam
cap bang » cao bang, can bang, lap bang
ban cau » bang cau, ban can, van 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 trung cap bang ((cong luong) or (cong dong)) ban cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sach - thanh trung cap bang ((cong luong) OR (cong dong)) ban cau*.