Perhaps you should try some spelling variations:
rent sharing » risk sharing, rent seeking, cost sharing
sharing tan » sharing tags, sharing a, sharing bad
wong siu » wong shiu, kong siu, wong sau
wong yue » wang yue, hong yu
wan yan » nan yan, wai yan, wang yang
yang yi » yang di, yang jui
yang xi » yang di, 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: wan yan ((yang yi) OR (yang xi)) rent sharing tan ((wong siu) OR (((wong yue) OR (wang yan)))) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wan yan ((yang yi) OR (yang xi)) rent sharing tan ((wong siu) or (((wong yue) or (wang yan)))) ;~".
• Adding a wildcard symbol may retrieve word variants: wan yan ((yang yi) OR (yang xi)) rent sharing tan ((wong siu) or (((wong yue) or (wang yan)))) ;*.