Perhaps you should try some spelling variations:
wang shiyong » wang hyoung
shiyong tang » taizong tang, zhiyong fan
tang yuan » fang yuan, tang yun, wang yuhan
yuan kang » yuan wang, yuan chang, chan kang
kang han » kang chen, kong hang, zhang han
yang yi » yang di, yang jui
yang xi » yang di, 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 shiyong tang yuan kang ((yang yi) OR (yang xi)) kang han ;~.
• Adding a wildcard symbol may retrieve word variants: wang shiyong tang yuan kang ((yang yi) or (yang xi)) kang han ;*.