Perhaps you should try some spelling variations:
rent sharing » risk sharing, rent seeking, cost sharing
sharing oil » sharing our, sharing big, sharing his
yuan wang » yan wang, yuan kang, yuan chang
yang hui » yang jui, wang hui, yang muxi
yang xi » yang yi, yang jui
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 ((yang hui) OR (((yang di) OR (yang xi)))) rent sharing oil kong sar ;~.
• Adding a wildcard symbol may retrieve word variants: yuan wang ((yang hui) or (((yang di) or (yang xi)))) rent sharing oil kong sar ;*.