Planet13 - 5:09 pm on Jul 13, 2013 (gmt 0)
Do your URLs normally have /search/ in the URL path?
If so, then google (and all other search engine bots, for bing, duckduckgo, etc.,) will be blocked from indexing those pages.
So if you have webpages where the URL is:
Or something like that, they will be blocked by your robots.txt file.