Perhaps you should try some spelling variations:
danh thong » anh thong, danh thang, dinh thong
thong cong » trong cong, tong cong, thong thong
hieu lang » chieu sang, hieu quang, nhieu tang
cong danh » cuong danh, cong dan, cong thanh
tac phan » tai phan, tac phat, cac phan
tac pham » thuc pham, san pham
ho hieu » ho chieu, hoi hieu, nho hieu

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ho hieu lang - thanh cong danh thong cong ((tac phan) or (tac pham)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho hieu lang - thanh cong danh thong cong ((tac phan) OR (tac pham)) cau.
• Adding a wildcard symbol may retrieve word variants: ho hieu lang - thanh cong danh thong cong ((tac phan) or (tac pham)) cau*.