Perhaps you should try some spelling variations:
hyoung gun » young eun
kang chen » chang chen, kang han, tang chun
jane chen » jean chen, jie chen
gun yuan » sun yan, xu yuan, yan yuan
yuan dan » yuan kang, yuan wang, yuan kai
dan yang » daun yang, tan yang, wang yang
yang jui » yang judy, yang di, yang xi
wang » wing, wan, lang
hai » hadi, haji, hari

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 gun yuan dan yang jui ((((kang chen) OR (jane chen))) OR (dang hai)) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang hyoung gun yuan dan yang jui ((((kang chen) OR (jane chen))) or (dang hai)) ;~".
• Adding a wildcard symbol may retrieve word variants: wang hyoung gun yuan dan yang jui ((((kang chen) OR (jane chen))) or (dang hai)) ;*.