I often use the site command query operator at Google to find results within a particular site. This morning when writing about Possible Google Update Before Holiday Season? I conducted a search for all matches for the keyword florida on seroundtable.com. It brought up a set of refinement links (often pulled from Google Coop's Topics (but I did not set up topics for this site). Those refinements look like this:
They link to:
Forum discussion at Search Engine Roundtable Forums.