Perhaps you should try some spelling variations:
thanh phuong » thanh huong, thanh chuong, khanh phong
phuong cham » phuong phap, phuong thao
chieu sang » chieu sach, chieu xanh, hieu lang
doi chieu » doc hieu, doi chi, mot chieu
dung cong » dung trong
dung dan » dung dat, dung san, tung dan
van van » van ban, tan van, san van
van cau » van dau, van hau, van chat

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