Speaking purely as a user with no privileged status ...<p>To the best of my knowledge you can search the material that is hosted on Hacker News: link titles; "Ask HN"; comments; <i>etc.</i> However, if someone submits a link to an external site, you cannot search here for the content on that site. If someone submits a link to an external page that contains the string "HoogleFleeber", no HN search will find that article (unless the content is duplicated in a comment).<p>And no, HNSearch does <i>not</i> only search within titles, it also searches comments and text within submissions. Very shortly it will index this page and you will be able to use it to search for "HoogleFleeber". I'm not sure why you think otherwise. Pretty much every search I try turns up text within comments.<p>I hope that's clear.