Perhaps you should try some spelling variations:
sharing gains » sharing savings, learning gains, securing gains
rent sharing » risk sharing, rent seeking, cost sharing
wang qin » wang lin, wang qiao, wang jing
yang lin » yang jin, wang lin, yang li
yang der » gang der, yang dean, klang der
der rent » der re, der rede

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 qin) OR (yang lin)) yang der rent sharing gains ((how secs) OR (how self)) ;~.
• Adding a wildcard symbol may retrieve word variants: ((wang qin) or (yang lin)) yang der rent sharing gains ((how secs) or (how self)) ;*.