Ha! You mean you did a search...on Google...and came up with results that were something other than cheats for your game?
Jesus Christ, the Internet must be broken!
Look,
Google is a huuuuuuuuuuuuge (big) search engine, and finds relevant words in the articles it turns up from your search.
The word Thief, for example...is very closely related to FRAUD, and credit card fraud is very popular, apparently...and I don't think it unreasonable to assume that the keyword 'thief' would turn up something related very closely to fraud....do you?
As for porn on the internet...it could be worse than there being kiddies somewhere bypassing their parental filters or exploiting their lack of oppression (*cough* Sorry, supervision) on the internet to look at material they either sought intentionally, or were disturbed by and Xed the window immediately. If the kid is interested in it, can't do much about it.
If the kid sees porn and doesn't understand it, maybe it's an opportunity to talk to them about sex, anyways...unless you find yourself trying to explain the difference between people and animals doing it, and depending on WHAT the child saw, why they shouldn't do it together...it's probably not a very big deal.
Heck, there's porn out there with kids of the age in question playing starring roles, go make a big deal about that.
Priorities, people! Think!
~Peace and <3