Perhaps you should try some spelling variations:
cost sharing » risk sharing, cost savings
sharing risk » sharing best, during risk
wang yang » wang yan, wang liang, wang yanling
risk tong » risk among, risk along
yang jun » yang jui, pang jun, yang judy
yang jin » yang jie, ying jin, shang jin
tong hui » wang hui

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 yang ((yang jun) OR (yang jin)) cost sharing risk tong hui ;~.
• Adding a wildcard symbol may retrieve word variants: wang yang ((yang jun) or (yang jin)) cost sharing risk tong hui ;*.