Perhaps you should try some spelling variations:
hyoung yan » kyoung yang, hyoung gun, kyoung yun
yuan gain » run gain, yuan lin
zhang yan » zhang fan, zhang jian, wang yan
yuan kai » yuan kang, yuan fei, tan kai
chang ha » chang mae
yang li » yang lin, yang xi, yang yi
wang » wing, wan, lang

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 hyoung yan ((yuan gain) OR (yuan kai)) ((yang li) OR (yang di)) ((chang ha) OR (zhang yan)) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang hyoung yan ((yuan gain) OR (yuan kai)) ((yang li) or (yang di)) ((chang ha) or (zhang yan)) ;~".
• Adding a wildcard symbol may retrieve word variants: wang hyoung yan ((yuan gain) OR (yuan kai)) ((yang li) or (yang di)) ((chang ha) or (zhang yan)) ;*.