Perhaps you should try some spelling variations:
wang hyong » wang hyoung, wang heyong, wang yong
yihan guan » yan guan
yang guang » yang yang, yan guan, yang liang
gain yang » dan yang, daun yang, tan yang
yan yuan » yan guan, fang yuan, nan yan
di dang » di dante, duc dang
hai » hadi, haji, hari

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 hyong ((yihan guan) OR (((yang guang) OR (yan yuan)))) gain yang di dang hai ;~.
• Adding a wildcard symbol may retrieve word variants: wang hyong ((yihan guan) or (((yang guang) or (yan yuan)))) gain yang di dang hai ;*.