Google needs Topics

Google, you need to add sub groups, or categories, or genera to your search's

When I search for a hammer
http://www.google.com/search?q=hammer

I don't get lucky. I get a site about bowling.

When I search for Brick

I top result is about a movie, then about the song Brick by ben folds five.

I want sub topics. When I google brick, instead of 'do you mean' I want to get "Which genera? Masonry, Media, location"

Google hammer: Music? Tools? Hammer Stores?

Google eggdrop: IRC Bot? Science Project? Easter Egg?

Google Needs to refine their search engine. They have created Images, News, Shopping, Video, So it knows how to tell the difference. Give me a selection of topics google. Let me be able to refine my search.

And no, the "Searches related to:" does not help. Searches related to: brick= brick game brick lyrics brick furniture brick restaurant
brick sizes bricks and stones brick patio brick cost

I want BRICKS just strictly a block of stone that is red!!.

Why? cause when I search up something in specific. I never find the result I am looking for. Cause all the results listed have nothing to do what I am looking for. This is extremely painful when I am search for an item that uses a common name. I am still looking for a device that has 12-16 buttons on it, and when a button is pressed, a sound effect is played. I want to call this a sound pad. But when search for it, I get topics relating to editing software and some British council Facebook profile.

I would like 'search with in results' topic. First Search: Audio, then search: Hardware, then search playback, or touch pad, or sound pad. And I will be able to refine my results to something like the 360's Instant replay device.