Perhaps you should try some spelling variations:
wang yidan » wang yan
wang ban » wang yan, wang dan, wang yang
jui chen » yi chen
yang jin » yang jie, ying jin, shang jin
yang jun » yang jui, pang jun, yang judy
ying yue » yang yue, wang yue, wong yue
yu chen » yu cheng, yi chen, yulu chen

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 ban) OR (wang yidan)) wang ((yu chen) OR (jui chen)) ((yang jin) OR (yang jun)) ying yue ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((wang ban) or (wang yidan)) wang ((yu chen) or (jui chen)) ((yang jin) OR (yang jun)) ying yue ;~".
• Adding a wildcard symbol may retrieve word variants: ((wang ban) or (wang yidan)) wang ((yu chen) or (jui chen)) ((yang jin) OR (yang jun)) ying yue ;*.