Perhaps you should try some spelling variations:
kang young » wang hyoung
bin zhang » binh thang, li zhang, jie zhang
jia zhang » jie zhang, jia zhangke, xiao zhang
sing kang » sing kong, jin kang
yan guan » gan guan, yan yuan, yang guang
guan li » gan li, yuan li, yuan lin
quan » quand, quang, juan

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((bin zhang) or (jia zhang)) yan guan li quan sing kang young ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((bin zhang) OR (jia zhang)) yan guan li quan sing kang young ;*.