Perhaps you should try some spelling variations:
cost sharing » risk sharing, cost savings
sharing oil » sharing our, sharing big, sharing his
yuan wang » yan wang, yuan kang, yuan chang
wang wei » zhang wei, wang zhi
yang jui » yang judy, yang di, yang xi
kong » long, hong, pong
sar » sara, star, saur

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: yuan wang ((wang wei) OR (yang jui)) cost sharing oil kong sar ;~.
• Adding a wildcard symbol may retrieve word variants: yuan wang ((wang wei) or (yang jui)) cost sharing oil kong sar ;*.