Perhaps you should try some spelling variations:
cost sharing » risk sharing, cost savings
sharing risk » sharing best, during risk
wang yang » wang yan, wang yanling
yang yang » wang yan
risk tong » risk among, risk along
tong shui » tong hui, cong shu, gong hui
yang can » yang fan, yang dean, yang jin

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 liang) OR (wang yang)) ((yang can) OR (yang yang)) cost sharing risk tong shui ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((wang liang) or (wang yang)) ((yang can) OR (yang yang)) cost sharing risk tong shui ;~".
• Adding a wildcard symbol may retrieve word variants: ((wang liang) or (wang yang)) ((yang can) OR (yang yang)) cost sharing risk tong shui ;*.