Perhaps you should try some spelling variations:
wang wang » wang liang, wang yan, wang yong
wang yang » wang yan, wang liang, wang yanling
kong saur » kong sar, kong siu, kong your
yang yun » yang jun, tang yun, yang yue
yun chen » yung chen, yu chen, yuan cheng
von sach » von sprach, von sa, von sam
von fach » ein fach
yang xi » yang yi, 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: wang wang yang yun chen ((yang xi) OR (yang di)) ((((von sach) OR (von fach))) OR (kong saur)) ;~.
• Adding a wildcard symbol may retrieve word variants: wang wang yang yun chen ((yang xi) or (yang di)) ((((von sach) or (von fach))) or (kong saur)) ;*.