It's not really much help to you unfortunately, as the other posts are mostly old, but we might as well have it all together. I did a search for Volleyball Zürich on the site to find it the older Thread.
There is some stuff under Google. ¨ Volleyball
but I don't know if you can do much with it. If you do
find somewhere, it would be great if you came back and put in another post to say so.
Longbyt -The mover of the post!