The Twitter widget module allows different Twitter feeds to be displayed.
This article introduces the search widget. To get your Twitter search widget running, a few details have to be entered in the configuration screen of the module:

On the left of this article, this page shows the search widget configured to search for Tweets that contain "Rainbow". Twitter allows you to select the tweets displayed in the search widgetin varous ways. For information about more advanced search queries, please visit: http://search.twitter.com/operators
All options of the Twitter widget module correspond to the official Twitter widget, which can be found here: http://twitter.com/about/resources/widgets