Swap 'and' for 'or'


![screen shot 2014-10-03 at 15 10 02](https://cloud.githubusercontent.com/assets/68009/4506953/11d32a9e-4b08-11e4-89e4-92b682a8a265.png)
So that search result descriptors make sense i.e.

3 cases that are open and closed

becomes

3 cases that are open or closed