Perhaps you should try some spelling variations:
wang yidan » wang yan
wang ping » wang jing, wang peng, wang liang
wang ning » wang jing, wang liang, wang yang
dang hadi » dang hai
tan yang » dan yang, tan ying, tan yong
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 ping) OR (wang ning)) wang yidan tan yang jun dang hadi ;~.
• Adding a wildcard symbol may retrieve word variants: ((wang ping) or (wang ning)) wang yidan tan yang jun dang hadi ;*.