Perhaps you should try some spelling variations:
dong thanh » truong thanh
thanh hang » thanh hoang, thanh thang, tranh hang
quen vang » quan van, que van, que lang
biet tran » bien tran, viet tran, viet trang
tran dong » tran hong, tran dang, tran dung
nhung gi » nhung bi, nhung bai
gi quen » si quyen

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

• Performing a fuzzy search may retrieve terms with similar spellings: nhung gi quen vang. biet tran dong thanh hang~.
• Adding a wildcard symbol may retrieve word variants: nhung gi quen vang. biet tran dong thanh hang*.