Perhaps you should try some spelling variations:
cost sharing » risk sharing, cost savings
sharing risk » sharing best, during risk
wang luhang » wang liang, wang lihong, wang yuhan
wang zhang » wang zheng, zhang zhang, wang liang
risk cong » risk coping, risk among, risk along
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 luhang)) ping ku cost sharing risk cong shu ;~.
• Adding a wildcard symbol may retrieve word variants: ((wang zhang) or (wang luhang)) ping ku cost sharing risk cong shu ;*.