User-agent: psbot
Disallow: /

User-agent: googlebot
Disallow: /search.php

User-agent: googlebot
Disallow: /question_test.php

User-agent: googlebot
Disallow: /register_email.php

User-agent: googlebot
Disallow: /rss/

User-agent: googlebot
Disallow: /dislpay_children_remote_script.php