Perhaps you should try some spelling variations:
wang yong » wang yang, wang hyoung, wang yan
fang yuan » wang yuhan, wang yan, meng yuan
daun yang » du yang, tan yang, un yang
dang hadi » dang hai
yang yun » yang jun, tang yun, yang yue
dan yang » tan yang, wang yang, yang yang
yan kun » yan guan, yan yuan
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 ((((yan kun) OR (fang yuan))) OR (yang yun)) ((daun yang) OR (dan yang)) xi dang hadi ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yong ((((yan kun) or (fang yuan))) or (yang yun)) ((daun yang) OR (dan yang)) xi dang hadi ;~".
• Adding a wildcard symbol may retrieve word variants: wang yong ((((yan kun) or (fang yuan))) or (yang yun)) ((daun yang) OR (dan yang)) xi dang hadi ;*.