Perhaps you should try some spelling variations:
yang guang » yang yang, yan guan, yang liang
wang yong » wang yang, wang hyoung, wang yan
yong wang » hong wang, yong phang, ping wang
dang hadi » dang hai
yang jun » yang jui, pang jun, yang jin
jun dang » duc dang
yan kun » yan guan, yan yuan

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 yong wang ((yan kun) OR (yang guang)) yang jun dang hadi ;~.
• Adding a wildcard symbol may retrieve word variants: wang yong wang ((yan kun) or (yang guang)) yang jun dang hadi ;*.