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, gang yao
his song » his son, hays song
song shu » cong shu, song shin, tong shui
yang a » yang ka, yang _, fang a
yang 8 » yang _

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yao ((yang a) OR (yang 8)) cost sharing his song shu ;~".
• Adding a wildcard symbol may retrieve word variants: wang yao ((yang a) OR (yang 8)) cost sharing his song shu ;*.