Perhaps you should try some spelling variations:
hyoung tang » kyoung yang
tang john » king john, kong john, wong john
john song » john wong, john bonn, john ngosong
zhang hai » zhang dai, shang hai, zhang han
yang xi » yang di, yang jui
yang yi » yang di, yang jui
wang » wing, wan, lang

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 hyoung tang john song ((yang xi) OR (yang yi)) zhang hai ;~.
• Adding a wildcard symbol may retrieve word variants: wang hyoung tang john song ((yang xi) or (yang yi)) zhang hai ;*.