Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu sach » chinh sach, chiet tach, chieu sang
bang thanh » ban thanh, dang thanh, tang thanh
cong bang » cuong bang, dong bang, hong bang
thanh bac » nhanh bac, thanh bai, thanh san
ho chieu » theo chieu, hoc thieu, doi chieu
van dung » xay dung, tin dung

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 ((van dung) or (van dong)) cong bang thanh bac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - thanh trung ((van dung) OR (van dong)) cong bang thanh bac.
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - thanh trung ((van dung) or (van dong)) cong bang thanh bac*.