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

You may be able to get more results by adjusting your search query.

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