Perhaps you should try some spelling variations:
wang liang » wang yang
liang wang » liang dan, liang tan, liang ying
wang yuhan » wang luhang, wang yan, wang yidan
yuhan tan » wuhan can
zhang yan » zhang fan, zhang jian, wang yan
tan yang » dan yang, tan ying, tan yong
kang han » kang chen, kong hang, zhang han
yang yi » yang di, yang xi, 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 liang wang yuhan tan yang yi ((kang han) OR (zhang yan)) ;~.
• Adding a wildcard symbol may retrieve word variants: wang liang wang yuhan tan yang yi ((kang han) or (zhang yan)) ;*.