Simple step. Just Follow this step.
1. go to https://www.google.com/adsense
2. login with your account
3. go to "Adsense Setup" and Click link "Adsense for Search"
5. follow step to get this
now, create new file "search.html", use your favorite editor. i'm use vim :D ...
write this:
and upload "searh.html" to your wordpress. Then your directory seem like this:
-- root
---- wordpress folder
------wp-content
------bla bla
------search.html
now, edit your template.
find ...
