Perhaps you should try some spelling variations:
when song » when songs, when so, when soft
doing un » doing und, doing our, doing von
dong bin » dong sin, dann bin
song min » song ming, gong min, jong min
yang yun » yang jun, tang yun, yang yue
yang jui » yang judy, yang di, yang xi
dong di » dong sin
yang yi » yang di, 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: doing un ((dong bin) OR (dong di)) when song min ((yang yun) OR (((yang jui) OR (yang yi)))) ;~.
• Adding a wildcard symbol may retrieve word variants: doing un ((dong bin) or (dong di)) when song min ((yang yun) or (((yang jui) or (yang yi)))) ;*.