Perhaps you should try some spelling variations:
cost sharing » risk sharing, cost savings
sharing risk » sharing best, during risk
huang yang » huang ying, huang chang, wang yang
yang yang » wang yang, wang yan
among hui » among heis, among eu, tong hui
eu cost » au costa, der cost, end cost

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang ((huang yang) or (yang yang)) eu cost sharing risk among hui ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang ((huang yang) OR (yang yang)) eu cost sharing risk among hui ;*.