Perhaps you should try some spelling variations:
sharing gains » sharing savings, learning gains, securing gains
rent sharing » risk sharing, rent seeking, cost sharing
yang yang » wang yang, wang yan
hua rent » hua ren
yang ya » yang yao, yang yi, yang ka
yang xi » yang yi, yang jui
hong ma » hong a, hong tan, hong hai

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((((yang ya) or (yang yang))) or (((yang di) or (yang xi))))ng ya hua rent sharing gains hong ma ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((yang ya) OR (yang yang))) OR (((yang di) OR (yang xi))))ng ya hua rent sharing gains hong ma ;.
• Adding a wildcard symbol may retrieve word variants: ((((yang ya) or (yang yang))) or (((yang di) or (yang xi))))ng ya hua rent sharing gains hong ma ;*.