Perhaps you should try some spelling variations:
rent sharing » risk sharing, rent seeking, cost sharing
sharing ming » sharing mining, sharing risk, zhang ming
wing yan » wang yan, wing ian, wang yang
wong sau » kong sar
yan yan » yang yang, wang yan, yao yang
yan hua » tan hua, wang hua
hong » long

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

• Performing a fuzzy search may retrieve terms with similar spellings: wing yan yan hua rent sharing ming ((wong sau) or (hong seo)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wing yan yan hua rent sharing ming ((wong sau) OR (hong seo)) ;.
• Adding a wildcard symbol may retrieve word variants: wing yan yan hua rent sharing ming ((wong sau) or (hong seo)) ;*.