It is typical for a company to register similar domains, or common misspellings of their name, or derogatory variations, so other companies don't use them.
gogle.com
gooogle.com
googel.com
gewgle.com
gogole.com
googlebot.com
wwwgoogle.com
googlecom.com
google.biz
elgoog.com (backwards)
466453.com (look at your phone)
googlesucks.com (not active, but registered to Google - check Whois)
googleblows.com (not active, but registered to Google - check Whois)
I'm sure there are more... <