Perhaps you should try some spelling variations:
cost sharing » risk sharing, cost savings
sharing his » sharing risk, sharing big, sharing dps
wang yao » wang yan, wang tao, wang yang
yang yao » yang yang, wang yan, yang yi
gang yao » wang yan, ganga ya, sang yoo
yang hua » wang hua, yang hui, ying hua
hua cost » a cost, eu cost, run cost
son shu » cong shu

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: ((((wang yao) OR (yang yao))) OR (gang yao)) yang hua cost sharing his son shu ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((wang yao) OR (yang yao))) or (gang yao)) yang hua cost sharing his son shu ;~".
• Adding a wildcard symbol may retrieve word variants: ((((wang yao) OR (yang yao))) or (gang yao)) yang hua cost sharing his son shu ;*.