Perhaps you should try some spelling variations:
sharing gains » sharing savings, learning gains, securing gains
rent sharing » risk sharing, rent seeking, cost sharing
wang ying » wang yang, wang yong, wang jing
gains how » chains how, wins how
yang der » gang der, yang dean, klang der
der rent » der re, der rede
how so » how some, how slow

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 ying) OR (wang yanling)) yang der rent sharing gains how so ;~.
• Adding a wildcard symbol may retrieve word variants: ((wang ying) or (wang yanling)) yang der rent sharing gains how so ;*.