Perhaps you should try some spelling variations:
yong chang » ying chang, yong phang, young change
wang yong » wang hyoung, wang yan, wang shiyong
chang run » chang yun, chang hsun, chang ann
wang yang » wang yan, wang liang, wang yanling
tan yang » dan yang, tan yong, tao yang
tan ying » fan ying, ran ying, tan yong
xi dang » xi kang, xi zhang

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 chang run ((((tan yang) OR (tan ying))) OR (wang yang)) xi dang (hai OR hadi) ;~.
• Adding a wildcard symbol may retrieve word variants: wang yong chang run ((((tan yang) or (tan ying))) or (wang yang)) xi dang (hai or hadi) ;*.