Perhaps you should try some spelling variations:
cost sharing » risk sharing, cost savings
sharing risk » sharing best, during risk
zhang zhang » zhen zhang, cheng zhang, zhang han
zhang fang » zhang fan, zhang yan, zhang ming
ying eu » ying zhu, using eu, ying hua
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.

• Performing a fuzzy search may retrieve terms with similar spellings: ((zhang zhang) OR (zhang fang)) ying eu cost sharing risk how shu ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((zhang zhang) OR (zhang fang)) ying eu cost sharing risk how shu ;*".