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
zhang han » zhang fan, zhang yan, zhang hanmo
tan yang » dan yang, tan yong, tao yang
tan ying » fan ying, ran ying, tan yong
kang han » kang chen, kong hang, dang hai

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) OR (tan ying)) yi ((kang han) OR (zhang han)) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang liang wang yuhan ((tan yang) OR (tan ying)) yi ((kang han) or (zhang han)) ;~".
• Adding a wildcard symbol may retrieve word variants: wang liang wang yuhan ((tan yang) OR (tan ying)) yi ((kang han) or (zhang han)) ;*.