Perhaps you should try some spelling variations:
yong yoon » wong yoon, yong khoon
dong yang » dong hoang, wang yang, dan yang
yang yang » wang yang, wang yan
jin chang » chin chang, joon chang, ying chang
chang hai » chang ha, shang hai, change has
yuan kai » yuan kang, yuan fei, tan kai
kai yang » kai fang, yao yang, dan yang
yang jin » yang jie, yang jun, ying jin

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "wang ((yong yoon) OR (((dong yang) OR (yang yang)))) yuan kai yang jin chang hai ;~".
• Adding a wildcard symbol may retrieve word variants: wang ((yong yoon) OR (((dong yang) OR (yang yang)))) yuan kai yang jin chang hai ;*.