Do a new "All" Search that returns more than 5 pages*. Click "NEXT" in the pager at the bottom of the results window 4 times. On the 5th page, clicking next returns a page that has only numbers 1-5 at the bottom, and no "NEXT" link. "RESULTS N-N..." at the top indicates more results remain (that is, seems correct).
*Reproduced with searches for "Technology", "macintosh", "friends".
(This is in version 1.18.5.0 downloaded from
http://secondlife.com/community/downloads-optional.php - I'm not certain I'm posting under the right version in Jira)