Perhaps you should try some spelling variations:
dong sein » dong sin, dong wei, ong sean
sein dong » shin dong, sein dann
when song » when songs, when so, when soft
song ming » song bing, song min, gong min
dong bin » dong sin, dong di, dann bin
bin when » win when, can when, bin we
yang jui » yang judy, yang xi
yang yi » yang xi

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

• If you are trying to use Boolean operators, they must be ALL CAPS: dong sein dong bin when song ming ((((wang yan) OR (yang jui))) OR (((yang di) OR (yang yi)))) ;~.
• Adding a wildcard symbol may retrieve word variants: dong sein dong bin when song ming ((((wang yan) or (yang jui))) or (((yang di) or (yang yi)))) ;*.