Perhaps you should try some spelling variations:
sharing risk » sharing best, during risk
cost sharing » risk sharing, cost savings
zhang ying » zhang jing, zhang ting, zhang yin
zhang ping » zhang jing, zhang ting, zhang xin
zhang ming » zhang xin
eu cost » au costa, der cost, end cost
how shu » how she, how shih, how slum

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: cheng ((zhang ying) OR (((zhang ping) OR (zhang ming)))) eu cost sharing risk how shu ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "cheng ((zhang ying) or (((zhang ping) OR (zhang ming)))) eu cost sharing risk how shu ;~".
• Adding a wildcard symbol may retrieve word variants: cheng ((zhang ying) or (((zhang ping) OR (zhang ming)))) eu cost sharing risk how shu ;*.