Perhaps you should try some spelling variations:
cost sharing » risk sharing, cost savings
feng douglas » zeng douglas, long douglas, webb douglas
farr douglas » farah douglas, ward douglas, arner douglas
kong remain » song remains
remain time » remaining time, remain unmet
tan kong » tan hong

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: tan kong remain time cost sharing ((feng douglas) OR (farr douglas)) b ;~.
• Adding a wildcard symbol may retrieve word variants: tan kong remain time cost sharing ((feng douglas) or (farr douglas)) b ;*.