Perhaps you should try some spelling variations:
cost sharing » risk sharing, cost savings
sharing risk » sharing best, during risk
wang zhang » wang zheng, wang luhang, zhang zhang
wang liang » wang yang
among shu » cong shu, among eu, among sex
ping ku » ping ke, ping yu
ku cost » eu cost, au costa, run cost

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 zhang) OR (wang liang)) ping ku cost sharing risk among shu ;~.
• Adding a wildcard symbol may retrieve word variants: ((wang zhang) or (wang liang)) ping ku cost sharing risk among shu ;*.