FogBugz offers an impressive array of search axes (lets you filter queries according to specific case fields) to help you slice and dice your data. These axes allow you to build searches to find particular cases or any cases matching pretty much arbitrary criteria. These are documented in the article Searching in FogBugz: Syntax and the Search Axis.
To help find the axis you are looking, for we have added a Guide to the search box. It is available for customers using FogBugz On Demand with FogBugz Ocelot enabled.
When you click it, it expands to show an axis guide:
Clicking each search axis on the left pane will provide a brief description and examples in the right pane.