Perhaps you should try some spelling variations:
ming china » kong china, facing china
yang yang » wang yang, wang yan
yong ming » song ming, gong min, jong min
pei yang » wei yang, hui yang, pei yun
yan yuan » yan guan, fang yuan, nan yan
wai yan » wang yan, wei yang
dong di » dong sin
ping yu » ming yu, ping ku, ping yi
yu yong » au yong, hu yong, yu yang

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: ((((wai yan) OR (pei yang))) OR (dong di)) ((yan yuan) OR (yang yang)) ping yu yong ming china ;~.
• Adding a wildcard symbol may retrieve word variants: ((((wai yan) or (pei yang))) or (dong di)) ((yan yuan) or (yang yang)) ping yu yong ming china ;*.