Perhaps you should try some spelling variations:
hyoung yang » kyoung yang
yang guang » yang yang, yan guan, yang liang
guang wang » huang weng, huang yang, yuan wang
wang yong » wang yang, wang hyoung, wang yan
jia zhang » jie zhang, jia zhangke, xiao zhang
zhang yan » zhang fan, zhang jian, wang yan
yong jia » kong jia, hon jia, yang jie

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 OR wing) hyoung yang guang wang yong jia zhang yan ;~.
• Adding a wildcard symbol may retrieve word variants: (wang or wing) hyoung yang guang wang yong jia zhang yan ;*.