Perhaps you should try some spelling variations:
sharing risk » sharing best, during risk
rent sharing » risk sharing, rent seeking, cost sharing
yuan wang » yuan kang, yuan chang, qian wang
yang muxi » yang jui, yang hui, yang mu
risk hong » risk among, risk along, risk how
yan wang » yang yang, qian wang, yan liang
yang xi » yang di, yang yi, yang jui

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: ((yuan wang) OR (yan wang)) ((yang xi) OR (yang muxi)) rent sharing risk hong seo ;~.
• Adding a wildcard symbol may retrieve word variants: ((yuan wang) or (yan wang)) ((yang xi) or (yang muxi)) rent sharing risk hong seo ;*.