How to enable multiple search engines in IE 7

You can get more comprehensive search results by using advanced options in IE 7

Click on 'Tools > Internet Options > General' and then on 'Settings' in the 'Search' area. In the new box, click on 'Find more providers' in the lower left corner of the box. This will open a web page from which you can choose the search service you want. Next, click on 'Add Provider'. Now when you search for something, simply click the Search Options arrow and select the engine you want from the pull-down list.

Source: The times of India, Saturday, July 7, 2007