Perhaps you should try some spelling variations:
wang yong » wang yang, wang hyoung, wang yan
yong yang » yang yang, dong yang, ying yang
zhang hay » zhang han, zhang fan, zhang yan
yang yun » yang jun, tang yun, yang yue
tan yong » tan hong, tan kong, tan yang
tan ying » fan ying, ran ying, tan yang
xi zhang » li zhang, xiao zhang, bin 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 yang yun ((tan yong) OR (tan ying)) xi zhang hay ;~.
• Adding a wildcard symbol may retrieve word variants: wang yong yang yun ((tan yong) or (tan ying)) xi zhang hay ;*.