Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu sach » chinh sach, chiet tach, chieu sang
doi chieu » doc hieu, doi chi, ho chieu
va phuong » va thuong, cac phuong
trung va » truong va, trang va, trung ha
cong dan » cong san, huong dan, cong dong
cong tan » cong tac, cong san, cong thanh
chan cao » chan cho, chat cao, toan cao
chay cao » cay cao, chat cao, nha cao

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 va phuong ((cong dan) or (cong tan)) ((chan cao) or (chay cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sach - thanh trung va phuong ((cong dan) OR (cong tan)) ((chan cao) OR (chay cao)).
• Adding a wildcard symbol may retrieve word variants: doi chieu sach - thanh trung va phuong ((cong dan) or (cong tan)) ((chan cao) or (chay cao))*.