Perhaps you should try some spelling variations:
wang yong » wang yang, wang hyoung, wang shiyong
dan yang » daun yang, tan yang, wang yang
kang han » kang chen, kong hang, zhang han
yan kun » yan guan, yan yuan
yap yun » yang yun, yau yung
nan yan » nan ya, qian yan, nana yaa
yang xi » yang di, yang yi, yang jui
xi kang » jin kang, xi zhang

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 yong) OR (wang yan)) ((((yan kun) OR (yap yun))) OR (nan yan)) dan yang xi kang han ;~.
• Adding a wildcard symbol may retrieve word variants: ((wang yong) or (wang yan)) ((((yan kun) or (yap yun))) or (nan yan)) dan yang xi kang han ;*.