Perhaps you should try some spelling variations:
when song » when songs, when so, when soft
wang yang » wang yan, wang liang, wang yanling
dong wei » wang wei, dong di, dong hoi
can when » can women, can we, can win
song min » song ming, gong min, jong min
yang jie » yang jin, yang jui, yang xi
wei das » weil das, zwei das, lei das
das can » das clan, ideas can, das cafe
yang yi » yang xi, yang jui

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 wei das can when song min ((((wang yang) OR (yang jie))) OR (((yang yi) OR (yang di)))) ;~.
• Adding a wildcard symbol may retrieve word variants: dong wei das can when song min ((((wang yang) or (yang jie))) or (((yang yi) or (yang di)))) ;*.