Czech Xtreme series

Can't find these anywhere on net (except for part 3 in bad quality):

Czech Xtreme 1 (2000) - aka Versackt im Schlampenland
https://www.hotmovies.com/2958631/czech-xtreme-porn-video.html

Czech Xtreme 2 (2000)
https://www.hotmovies.com/2989342/czech-xtreme-2-porn-video.html

Czech Xtreme 3 (2000) - aka Mözensucken auf der Brücke
https://www.iafd.com/title.rme/id=11141afd-37ea-455a-af4f-2bd1db1490ca

Czech Xtreme 4 (2000) - aka Heisse Angelegenheiten
https://www.iafd.com/title.rme/id=a9ffa62d-ee11-4af5-af4d-a8abffdf08f9

Thanks!