Perhaps you should try some spelling variations:
sharing risk » sharing best, during risk
cost sharing » risk sharing, cost savings
wang liang » wang yang
among shu » cong shu, among eu, among hr
among sex » among smes, among eu
yang can » yang dean, yang yang, yang jin
yang fan » zhang fan, yang dean, yang yang

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang liang ((yang can) or (yang fan)) cost sharing risk ((among shu) OR (among sex)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang liang ((yang can) OR (yang fan)) cost sharing risk ((among shu) OR (among sex)) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang liang ((yang can) or (yang fan)) cost sharing risk ((among shu) OR (among sex)) ;*".