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 di, yang xi
pong sar » kong sar, pong part, wong sam

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