Perhaps you should try some spelling variations:
hyoung yan » kyoung yang, hyoung gun, kyoung yun
kang chen » chang chen, jane chen, kang han
yan yuan » yan guan, fang yuan, nan yan
dan yang » daun yang, wang yang, yang yang
tan yang » tan ying, tan yong, tao yang
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 yan yuan ((dan yang) OR (tan yang)) jui ((kang chen) OR (dang hai)) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang hyoung yan yuan ((dan yang) OR (tan yang)) jui ((kang chen) or (dang hai)) ;~".
• Adding a wildcard symbol may retrieve word variants: wang hyoung yan yuan ((dan yang) OR (tan yang)) jui ((kang chen) or (dang hai)) ;*.