Perhaps you should try some spelling variations:
chan thong » chan thuong, chan hong, nhan thong
thong cong » trong cong, tong cong, thong thong
hieu lang » chieu sang, hieu quang, nhieu tang
cong chan » cong nhan, cong chat, cong khan
nho hieu » nha hieu, nho sieu, nhu hieu
dan phan » doan phan, dan chan, van phan
van chat » cao chat

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

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