Naruto Shippuden only 10 seasons?

So it says on the Internet that Naruto Shippuden confesses from a total of 21 seasons. But there are only 10 seasons on Netflix… Do you know where to watch the remaining 11 seasons?

Maybe with burning series

Aha and where can I find it? Just on the internet?

Yes written together and

So on Crunchyroll with subtitles it's Japanese but subtitles German or Naruto-tube org that's nh page