Perhaps you should try some spelling variations:
dang hadi » dang hai
wang yong » wang yang, wang hyoung, wang yan
yong yan » yang yang, dong yang, ying yang
yuan kai » yuan kang, yuan fei, yuan hui
yang jin » yang jie, yang jun, ying jin
jin dang » jin kang, jin chang, jing fang
tan kai » tan kah

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 yong yan ((yuan kai) OR (tan kai)) yang jin dang hadi ;~.
• Adding a wildcard symbol may retrieve word variants: wang yong yan ((yuan kai) or (tan kai)) yang jin dang hadi ;*.