Perhaps you should try some spelling variations:
wang yuhan » wang luhang, wang yan, wang yidan
yang jing » wang jing, huang jing, yang liang
yuhan tan » wuhan can
yang jin » yang jie, yang jun, ying jin
tan yang » dan yang, tan ying, tan yong
kang han » kang chen, kong hang, zhang han
yang xi » yang di, yang yi, 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: ((yang jing) OR (yang jin)) wang yuhan tan yang xi ((kang tae) OR (kang han)) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((yang jing) OR (yang jin)) wang yuhan tan yang xi ((kang tae) or (kang han)) ;~".
• Adding a wildcard symbol may retrieve word variants: ((yang jing) OR (yang jin)) wang yuhan tan yang xi ((kang tae) or (kang han)) ;*.