Perhaps you should try some spelling variations:
yuan kang » yuan wang, yuan chang, chan kang
kang yang » wang yang, yang yang, kang young
chang yun » chong yun, chang hsun, chae yun
wing yan » wang yan, wing ian, wing tan
run yuan » run human, xu yuan, yan yuan
chong yi » chong yah, chong yun, hong yu
yan can » yan clan, man can, yan cong

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

• Performing a fuzzy search may retrieve terms with similar spellings: wing yan can run yuan kang yang ((chong yi) or (chang yun)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wing yan can run yuan kang yang ((chong yi) OR (chang yun)) ;.
• Adding a wildcard symbol may retrieve word variants: wing yan can run yuan kang yang ((chong yi) or (chang yun)) ;*.