Perhaps you should try some spelling variations:
wang yidan » wang yan
wang dan » wang yan, wang ban, wang yang
hua chen » yu chen, a chen, hua ren
jui chen » yi chen
yang jie » yang jin, yang di, yang jui
jie ying » jin ying, li ying, jie song
ying yue » yang yue, wang yue, wong yue

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((wang dan) or (wang yidan)) wang ((hua chen) or (jui chen)) yang jie ying yue ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((wang dan) OR (wang yidan)) wang ((hua chen) OR (jui chen)) yang jie ying yue ;.
• Adding a wildcard symbol may retrieve word variants: ((wang dan) or (wang yidan)) wang ((hua chen) or (jui chen)) yang jie ying yue ;*.