Today WordPress.com the most powerful Blog Site on web sphere which is officially announced a new great features which will going to help you to Search The Whole WordPress.com. After the recent updates of WordPress 2.5, it’s truly an appreciable update comes from WordPress. Thanks to WordPress team for their hard works.
However, to get resource sometimes blog which is more useful then search engines because, some blogs are specific on their contents and doing the same things. But, it’s not comparable with Google/Yahoo/Live search engine. And Google/Yahoo/Live also showing huge result and that’s come from blog sites.
I hope the most relevant result will be visible on WordPress search engine. If you want to track the search result, you can use the rss feed on your feed reader. And when a user will updates any contents, the feed also updating you interest items instantly.
Don’t forget to checkout search engine http://en.search.wordpress.com/.