Perhaps you should try some spelling variations:
cost sharing » risk sharing, cost savings
wang yong » wang yang, wang hyoung, wang yan
yong yang » yang yang, dong yang, ying yang
yang can » yang fan, yang dean, yang yang
can cost » can costa, can lost, can post
tong hui » wang hui
gong hui » tong shui, wang hui, gong si

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 yang can cost sharing best ((tong hui) OR (gong hui)) ;~.
• Adding a wildcard symbol may retrieve word variants: wang yong yang can cost sharing best ((tong hui) or (gong hui)) ;*.