Perhaps you should try some spelling variations:
rent sharing » risk sharing, rent seeking, cost sharing
sharing oil » sharing our, sharing big, sharing his
hua rent » hua ren
oil ying » oil using, oil line
ying shu » ying zhu, cong shu, ying hua
yang yi » yang di, yang xi, yang jui
wong yi » weng yi, wong y, wong lai

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 ((yang yi) OR (wong yi)) hua rent sharing oil ying shu ;~.
• Adding a wildcard symbol may retrieve word variants: wang ((yang yi) or (wong yi)) hua rent sharing oil ying shu ;*.