Perhaps you should try some spelling variations:
rent sharing » risk sharing, rent seeking, cost sharing
sharing risk » sharing best, during risk
yuan wang » yan wang, yuan kang, yuan chang
qian wang » yiqian wang, qian rong, qian yan
among seo » among sex, among smes, among self
yang jui » yang judy, yang di, yang xi
yang hui » wang hui, yang muxi, zhang hui

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 (qian wang)) ((yang jui) OR (yang hui)) rent sharing risk among seo ;~.
• Adding a wildcard symbol may retrieve word variants: ((yuan wang) or (qian wang)) ((yang jui) or (yang hui)) rent sharing risk among seo ;*.