Perhaps you should try some spelling variations:
rent sharing » risk sharing, rent seeking, cost sharing
sharing oil » sharing our, sharing big, sharing his
wang yang » wang yan, wang liang, wang yanling
yang ying » yang yang, yang jing, huang ying
ying hua » ming hua, wang hua, ying zhu
hua rent » hua ren
kong » long, hong, pong

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