Perhaps you should try some spelling variations:
when gong » when songs, when good, when goal
sein das » sein des, sein de, sein du
gong min » jong min, song min, gong meng
yang jie » yang jin, yang jui, yang yi
bn when » can when, end when, win when
yang xi » yang yi, yang jui
das bn » das bund

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: doing sein das bn when gong min ((yang jie) OR (((yang di) OR (yang xi)))) ;~.
• Adding a wildcard symbol may retrieve word variants: doing sein das bn when gong min ((yang jie) or (((yang di) or (yang xi)))) ;*.