Perhaps you should try some spelling variations:
thanh phuong » thanh huong, thanh chuong, khanh phong
phuong cham » phuong phap, phuong thao
chieu sach » chinh sach, chiet tach, chieu sang
doi chieu » doc hieu, doi chi, mot chieu
dung cong » dung trong
dung dat » dung va, dung tai
ban tu » van tu

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 phuong cham ((dung dat) or (dung cong)) van ban tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sach - thanh phuong cham ((dung dat) OR (dung cong)) van ban tu*.