Perhaps you should try some spelling variations:
nhanh thang » nhanh thanh, nhanh quang, hanh trang
hieu quang » thieu quang, hieu quan, hieu qua
nhanh lang » nhanh quang, nhan dang, nhanh dong
trong van » trong cac
van thanh » ban thanh, van tuan
thanh hai » thanh phan, thanh hoa, thanh san
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 quang - ((nhanh thang) or (nhanh lang)) tin dung trong van thanh hai~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho hieu quang - ((nhanh thang) OR (nhanh lang)) tin dung trong van thanh hai*.