Perhaps you should try some spelling variations:
sharing mining » sharing during, sharing learning
rent sharing » risk sharing, rent seeking, cost sharing
mining kong » ming kong, mining using
wing yan » wang yan, wing ian, wing tan
yang hua » wang hua, yang hui, yang jui
ying hua » ming hua, wang hua, ying zhu

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: wing yan ((yang hua) OR (ying hua)) rent sharing mining kong (sar OR saur) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wing yan ((yang hua) OR (ying hua)) rent sharing mining kong (sar or saur) ;~".
• Adding a wildcard symbol may retrieve word variants: wing yan ((yang hua) OR (ying hua)) rent sharing mining kong (sar or saur) ;*.