A Google Webmaster Help thread reports an interesting possible glitch by Google on how they match the title in the search results for PC World UK to the title tag of that page. PC World is about computers but the title in the Google search results matches on Mothercare for some reason.
Here is a screen shot for when you search Google for [PC Word Teesside Park]:
But if you look at the title tag in the source code of the page, it doesn't say anything about mothercare:
I am not sure what exactly is going on here, but sometimes SEOs find these weird outlier cases to be interesting and something they can learn from.
Googler Pierre Far said, "I've passed on your report to the relevant team internally."
Forum discussion at Google Webmaster Help.
