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, yang yao, wang tao
gang yao » yang yao, wang yan, ganga ya
yang hua » wang hua, yang hui, yang jui
ying hua » ming hua, wang hua, ying zhu
son shu » cong shu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((wang yao) OR (gang yao)) ((yang hua) or (ying hua)) cost sharing his son shu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((wang yao) OR (gang yao)) ((yang hua) OR (ying hua)) cost sharing his son shu ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((wang yao) OR (gang yao)) ((yang hua) or (ying hua)) cost sharing his son shu ;".
• Adding a wildcard symbol may retrieve word variants: ((wang yao) OR (gang yao)) ((yang hua) or (ying hua)) cost sharing his son shu ;*.