Perhaps you should try some spelling variations:
phuong danh » phuong anh, phuong dinh, phuong hanh
chieu sang » chieu sach, chieu xanh, hieu lang
cuong danh » cuon danh, huong dan, cuong linh
doi chieu » doc hieu, doi chi, mot chieu
cong chua » cong cua, cong chuc, con chua
chua bang » chu bang, chua nang, chua xang

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 cong chua bang ((phuong danh) or (cuong danh)) van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sang - thanh cong chua bang ((phuong danh) OR (cuong danh)) van ban.
• Adding a wildcard symbol may retrieve word variants: doi chieu sang - thanh cong chua bang ((phuong danh) or (cuong danh)) van ban*.