Perhaps you should try some spelling variations:
sharing risk » sharing best, during risk
cost sharing » risk sharing, cost savings
risk coping » risk pooling
zhang ying » zhang jing, zhang ping, zhang ting
zhang ming » zhang xin
coping shu » cong shu
eu cost » au costa, der cost, end cost

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 ((zhang ying) OR (zhang ming)) eu cost sharing risk coping shu ;~.
• Adding a wildcard symbol may retrieve word variants: wang ((zhang ying) or (zhang ming)) eu cost sharing risk coping shu ;*.