Gooogle announced today that it has made a change to its algorithm that is supposed to make it easier to find multiple pages from a single site. There is a change to
ranking algorithm that will make it much easier for users to find a large number of results from a single site.
Google says We’re always reassessing our ranking and user interface, making hundreds of changes each year example
a particular domain,
like [exhibitions at amnh], we’ll now show more results from the relevant site
source: googlewebmastercentral.blogspot.com