User-Agent: Googlebot
Disallow: /busca/*/pdf/
Disallow: /busca/*/doc/
Disallow: /busca/*/pps/
Disallow: /busca/*/xls/
Disallow: /busca/*/txt/

User-Agent: *
Disallow: /images/
Disallow: /i/
Disallow: /go/
Disallow: /blog/wp-login.php
Disallow: /blog/wp-admin/
Disallow: /blog/wp-content/
Allow: /