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 » wang hui, yang muxi, zhang hui
yang jui » yang judy, yang xi, yang yi
hong sar » kong sar, hong seo, hong tan

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 jui) OR (yang di)))) rent sharing oil hong sar ;~.
• Adding a wildcard symbol may retrieve word variants: yuan wang ((yang hui) or (((yang jui) or (yang di)))) rent sharing oil hong sar ;*.