Perhaps you should try some spelling variations:
cost sharing » risk sharing, cost savings
sharing tan » sharing tags, sharing a, sharing bad
wang wang » wang yang, wang liang, wang yan
wang ying » wang yang, wang yong, wang jing
wang yue » wong yue, wang hua, wang yan
hong yu » wong yue
ying a » buying a, laying a, ying hua

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 wang ying a cost sharing tan ((hong yu) OR (wang yue)) ;~.
• Adding a wildcard symbol may retrieve word variants: wang wang ying a cost sharing tan ((hong yu) or (wang yue)) ;*.