Perhaps you should try some spelling variations:
cost sharing » risk sharing, cost savings
wang zhang » wang zheng, wang luhang, zhang zhang
zhang ying » zhang ming, zhang jing, zhang ping
risk cong » risk coping, risk along, risk cost
ying hua » ming hua, wang hua, ying zhu
hua cost » a cost, eu cost, run cost

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 zhang ying hua cost sharing ((risk cong) OR (risk among)) shu ;~".
• Adding a wildcard symbol may retrieve word variants: wang zhang ying hua cost sharing ((risk cong) OR (risk among)) shu ;*.