User-agent: * 
Disallow: /wp-admin/
Disallow: /wp-content/
Disallow: /wp-includes/
Disallow: /images/
Disallow: /wp-login.php
Disallow: /index.php?s=
Disallow: /?s=

User-agent: Googlebot-Image
Disallow: /

User-agent: NextGenSearchBot
Disallow: /

User-agent: Xombot
Disallow: /

User-agent: Quantcastbot/1.0
Disallow: /

User-agent: DomainCrawler/1.0
Disallow: /