Are you searching for a WordPress plugin? Most likely, you will be using Google instead of search at wordpress.org!
Search function on WordPress.org is from primitive ages and generally dish out crappy results. If you are also frustrated and annoyed with WordPress.org search, then check “WordPress Plugin Repository” custom search.
It is a Google custom search engine that only search for plugins located at Plugins Repository at http://wordpress.org/extend/plugins/
This is created by Yoast who echo similar frustration with WordPress.org search function. “… the search function for plugins on wordpress.org is a pain, it doesn’t work at all.” Try out WordPress Plugin Search.
There is an even easier more powerful way to search for wordpress plugins now.
Check out searchwordpressplugins.com/search.php
This search engine is dedicated to finding wordpress plugins. It covers all the free plugins from the official repository. You can use boolean searching and you can filter by rating and minimum ratings to find the best plugins.
This is by far the best way to find plugins.