Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu sach » chinh sach, chiet tach, chieu sang
trung pham » trung phan, tung pham, trung phat
pham hoang » pham hong, phap hoan, pham cong
doi chieu » doc hieu, doi chi, ho chieu
cong dan » cong san, cong tan, cong dong
than cau » toan cau, phan cau, than cap

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 pham hoang ((cong dan) or (huong dan)) than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sach - thanh trung pham hoang ((cong dan) OR (huong dan)) than cau.
• Adding a wildcard symbol may retrieve word variants: doi chieu sach - thanh trung pham hoang ((cong dan) or (huong dan)) than cau*.