User-agent: Mediapartners-Google*
Disallow:

User-agent: *
Disallow: /search
Disallow: /category/business
Disallow: /category/communications
Disallow: /category/desktop
Disallow: /category/development
Disallow: /category/education
Disallow: /category/games_entertainment
Disallow: /category/home_hobby
Disallow: /category/network_internet
Disallow: /category/security_privacy
Disallow: /category/servers
Disallow: /category/web_development