what people doing this on youtube?

when you type boom beach hack or clash of clans hack on youtube you get people ranking that keyword with their websites
how they're ranking within the suggestion box?

what you mean ??

you can explain more

I know what he means, its like lets say Clash of Clans hack and in suggestin box there is a website example: clash of clans hack www dot someshitwebsite dot com
You get that keywords suggested, and it's mostly on 1st place, it's rare tho