Perhaps you should try some spelling variations:
wang yong » wang yang, wang hyoung, wang yan
yong wang » hong wang, yong phang, ping wang
dang hadi » dang hai
yan guan » gan guan, yan yuan, yang guang
yan kun » yan yuan
yang xi » yang di, yang yi, yang jui
xi dang » xi kang, xi zhang

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