Perhaps you should try some spelling variations:
nhung thoi » nhung thi, nhung loi, nhung tri
viet quang » viet quan, viet huong, viet hung
quen vang » quan van, que van, que lang
biet quan » viet quan, bien quang, lien quan
trong tan » trong quan, trong cac, trong ca
tan than » tan thanh, tan tran, ban than

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((nhung thoi) or (phung thi)) quen vang. ((biet quan) OR (viet quang)) trong tan than~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((nhung thoi) OR (phung thi)) quen vang. ((biet quan) OR (viet quang)) trong tan than.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((nhung thoi) or (phung thi)) quen vang. ((biet quan) OR (viet quang)) trong tan than".
• Adding a wildcard symbol may retrieve word variants: ((nhung thoi) or (phung thi)) quen vang. ((biet quan) OR (viet quang)) trong tan than*.