What Is the Following Search Trying to Accomplish

What is the following search trying to accomplish?
Intitle:"This page cannot be found" and "Please try the following"

A) Broken links produce these errors and indicate a malfunctioning server that is exposing weaknesses
B) Server errors that provide valuable information about what went wrong with the script
C) 404 errors produce pages that include these phrases as a common matter, the search doesn't really tell the attacker anything
D) The first phrase produced too many results. The second phrase was added to refine the search