Perhaps you should try some spelling variations:
wang kang » wang yan, wang yong, wang jing
wang yang » wang yan, wang yanling
han china » hang china, than china, can china
china den » chinas den, china des, china does
den yang » dan yang, den gang, chen yang
yang jun » yang jui, pang jun, yang jin
jun dang » duc dang

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 kang) OR (((wang yang) OR (wang liang)))) han china den yang jun dang (hai OR hadi) ;~.
• Adding a wildcard symbol may retrieve word variants: ((wang kang) or (((wang yang) or (wang liang)))) han china den yang jun dang (hai or hadi) ;*.