If you search for chrome, Google thinks you probably want to do the following things more than you want to download Chrome from Google: buy a Chromebook, use the Google Chrome Beta, buy a Google Chrome messenger bag, read about Google Chrome on Wikipedia, download Google Chrome from download.com, download ad block for Chrome, read news about Chrome, download Angry Birds for Chrome

If you search Bing for chrome, the first result will allow you to download Chrome from Google. :)