Perhaps you should try some spelling variations:
bien quang » dien quang, trien quang, lien quan
nhung tri » nhung bai, dung tri, nhung bi
nhung thi » nhung thoi, phung thi, nhung chi
quen vang » quan van, que van, que lang
biet quan » viet quan, viet quang, lien quan
trong ban » trong san, trong tan, trong quan
ban than » ban thanh, van thanh, ban hang

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((nhung tri) or (nhung thi)) quen vang. ((biet quan) or (bien quang)) trong ban than~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((nhung tri) OR (nhung thi)) quen vang. ((biet quan) OR (bien quang)) trong ban than.
• Adding a wildcard symbol may retrieve word variants: ((nhung tri) or (nhung thi)) quen vang. ((biet quan) or (bien quang)) trong ban than*.