Perhaps you should try some spelling variations:
cost sharing » risk sharing, cost savings
sharing tan » sharing tags, sharing a, sharing bad
yan yang » yang yang, yao yang, dan yang
der cost » oder cost, user cost, debt cost
tan gong » tan hong, tan kong, tan yong
gong hui » tong hui, tong shui, wang hui

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 ((yan yang) OR (wang yan)) der cost sharing tan gong hui ;~.
• Adding a wildcard symbol may retrieve word variants: wang ((yan yang) or (wang yan)) der cost sharing tan gong hui ;*.