Perhaps you should try some spelling variations:
cost sharing » risk sharing, cost savings
sharing risk » sharing best, during risk
ying hua » ming hua, wang hua, ying zhu
how shih » how six
chen co » chen mo, when co, chen nico
ying eu » ying zhu, using eu
how she » how some, how safe

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

• Performing a fuzzy search may retrieve terms with similar spellings: chen co ((ying eu) OR (ying hua)) cost sharing risk ((how she) or (how shih)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: chen co ((ying eu) OR (ying hua)) cost sharing risk ((how she) OR (how shih)) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "chen co ((ying eu) OR (ying hua)) cost sharing risk ((how she) or (how shih)) ;*".