Perhaps you should try some spelling variations:
dong sein » dong sin, dong bin, dong wei
sein dann » sein kann, sein das, bin dann
when soft » when so, when some
dann bin » dong 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 dann bin when soft bing ((((wang yan) OR (yang jui))) OR (((yang di) OR (yang yi)))) ;~.
• Adding a wildcard symbol may retrieve word variants: dong sein dann bin when soft bing ((((wang yan) or (yang jui))) or (((yang di) or (yang yi)))) ;*.