Perhaps you should try some spelling variations:
yang guang » yang yang, yan guan, yang liang
wang hong » wang yong, wang hyoung, wang lihong
hong wang » hong gang, hong kong, hong jong
dang hadi » dang hai
yan yuan » yan guan, fang yuan, nan yan
yang jun » yang jui, pang jun, yang jin
jun dang » duc dang
yan kun » yan guan

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