http://tins.rklau.com/2010/05/searching-google-profiles.html

<<A handful of people have pointed out a glaring omission on the Google Profiles page. Here's what the homepage for Google Profiles looks like today: That's right, it's missing one of these: Search >>

that is old:
http://blogoscoped.com/archive/2008-10-31-n39.html

No, what Rick means is a search function on the homepage of Google profiles.

Also see: Is a Lack of Search on Google Profiles Hurting Buzz? http://www.webpronews.com/topnews/2010/05/14/is-google-profiles-lack-of-search-hurting-buzz