Perhaps you should try some spelling variations:
yang yang » wang yang, wang yan
hong jong » hong kong
yang yan » wang yan, yang fan, yang yao
wie rene » wilke rene, wie deine, wie eine
pang can » pang jun, lung can
pang kin » pang jun, kang kim, pang jiu
kang ca » kang tae, kang han

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 ((yang yan) OR (yang yang)) wie rene ((((pang can) OR (pang kin))) OR (kang ca)) hong jong ;~.
• Adding a wildcard symbol may retrieve word variants: wang ((yang yan) or (yang yang)) wie rene ((((pang can) or (pang kin))) or (kang ca)) hong jong ;*.