Perhaps you should try some spelling variations:
cost sharing » risk sharing, cost savings
sharing risk » sharing best, during risk
risk song » risk among, risk along, risk some
wing yan » wang yan, wing ian, wing tan
yang hua » wang hua, ying hua, yang jui
yang hui » yang jui, wang hui, yang muxi
song shu » cong shu, song shin, tong shui

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

• If you are trying to use Boolean operators, they must be ALL CAPS: wing yan ((yang hua) OR (yang hui)) cost sharing risk song shu ;~.
• Adding a wildcard symbol may retrieve word variants: wing yan ((yang hua) or (yang hui)) cost sharing risk song shu ;*.