No, I am not subscribed to uk.
They may very well be .com or .net but they are still uk sites with uk terminology. The 10th one down is actually a .uk site.
Google, being as sophisticated as it is, should know that when terms like "punter" and "laying" is used that it has nothing to do with North American horse racing. Of course Google should also know that 90% of their adwords ads displayed with that search term are in violation of their own policy. Here's where I refrain from calling them names now.
"horse racing software" - Google Search