Those ones are sponsored spam. See these for tips: autogenerated spam results, & autogenerated mp3 spam results, & Sponsored Results (click on link). The Junk filter will easily filter out the 1st 2 types of spam. Your keyword filter will be best against the sponsored spam. Check the link for tips.

Also beware of search results that show perhaps 100 for the 1st, 99 for 2nd, ...
Those are fake files. You will never be able to downld them. It's deliberate spam to kill people's enthusiasm. Instead, in those cases, choose those with 20 or 10 or less results.