How to create and manage google adsense search?

After creating your search engine, you can access these advanced features by following these steps:

1. Sign in to your AdSense account.
2. Select the AdSense Setup tab.
3. Click the Manage Ads link. 
4. select inactive unit and hidden unit  (Don't worry, inactive does not mean not working, just the way it is,inactive means do not receive any impression in last 7 days), you can select  Create a new AdSense unit if you want to create new one, that will guide you through all procedures.
5. Find the search engine you'd like to update and click edit basic settings.
6. Choose the View more advanced features link at the top. 

I create a video search engine using following websites:
http://video.google.com/
http://youtube.com/
http://www.justin.tv/
http://www.flurl.com/
http://vids.myspace.com/
http://www.babelgum.com/
http://www.joost.com/
http://current.com/
http://blip.tv/