Perhaps you should try some spelling variations:
rent sharing » risk sharing, rent seeking, cost sharing
sharing risk » sharing best, during risk
wing yan » wang yan, wing ian, wing tan
hua rent » hua ren
yan tan » tan tan, yan clan, yan guan
tan hua » tuan hua, wang hua, tan chia
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 tan hua rent sharing risk ((kong sar) or (hong seo)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wing yan tan hua rent sharing risk ((kong sar) OR (hong seo)) ;.
• Adding a wildcard symbol may retrieve word variants: wing yan tan hua rent sharing risk ((kong sar) or (hong seo)) ;*.