Google actually already does this, based on what you just searched for. Search for "swing", then in the search box, delete that and type in "play". It'll auto-

Google actually already does this, based on what you just searched for. Search for "swing", then in the search box, delete that and type in "play". It'll auto-complete with something like "playground swing". Now in a new tab, search for "music". Then delete that and search for "play". You'll get different results. (doesn't work with the browser search box, has to be the one in the page itself)