Perhaps you should try some spelling variations:
thanh tuong » thanh thuong, thanh tung, thanh huong
chieu sach » chinh sach, chiet tach, chieu sang
doi chieu » doc hieu, doi chi, ho chieu
tuong cua » truong cua, huong cua, thong cua
cong cong » cong dong, trong cong, dang cong
dung cong » dung trong
ban khan » ban than, ban nhan, ban chan
khan cap » khan ap, than cap, khoan cam

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 tuong cua ((cong cong) or (dung cong)) ban khan cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sach - thanh tuong cua ((cong cong) OR (dung cong)) ban khan cap.
• Adding a wildcard symbol may retrieve word variants: doi chieu sach - thanh tuong cua ((cong cong) or (dung cong)) ban khan cap*.