Perhaps you should try some spelling variations:
chen yong » chen rong, zhen yong, chen ping
chen yang » chen rong
wang nan » wang yan, wang ban, wang dan
min song » min hong, minh cong, amin hong
jin song » jie song, john song, kim song
nan san » nan yan, non sans
san ji » ban ji, pan ji

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 nan san ji ((chen yong) OR (chen yang)) ((min song) OR (jin song)) (shin OR thin) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang nan san ji ((chen yong) or (chen yang)) ((min song) OR (jin song)) (shin or thin) ;~".
• Adding a wildcard symbol may retrieve word variants: wang nan san ji ((chen yong) or (chen yang)) ((min song) OR (jin song)) (shin or thin) ;*.