Perhaps you should try some spelling variations:
cost sharing » risk sharing, cost savings
sharing risk » sharing best, during risk
wang liang » wang yang
liang yang » liang ying, wang yang, yang yang
among heis » among ers, among hiv, among jews
among hui » among eu, tong hui, among di
yang can » yang fan, yang dean, yang yang
can cost » can costa, can lost, can post

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 cost sharing risk ((among hui) OR (among heis)) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang liang yang can cost sharing risk ((among hui) OR (among heis)) ;*".