Perhaps you should try some spelling variations:
thanh trung » thanh tung
trung thanh » truong thanh
thanh thang » nhanh thang, thanh thanh, thanh hang
chieu sach » chinh sach, chiet tach, chieu sang
dung nang » dun nang, dung dang, dung quang
dong bang » dong san
ho chieu » theo chieu, hoc thieu, mot chieu

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ho chieu sach - thanh trung thanh thang ((dung nang) or (dong bang)) phan tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - thanh trung thanh thang ((dung nang) OR (dong bang)) phan tu.
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - thanh trung thanh thang ((dung nang) or (dong bang)) phan tu*.