If you want to search same topic in different search engine, sputtik is a free web search engine that will help you to search in different search engine via few mouse clicks. You can also search topic in different categories i.e. images, video, movies, torrent download etc.
To search topic simply go to sputtik type your keyword and enter here you can select which search engine you want. Sputtik provide you top search engines it includes Google, Yahoo, Bing, Cuil, AltaVista, Ask etc. It provide a suggestion link here you can send your search engine URL to sputtik.