view with several contextuals filters in DB8

Hi,

I want to make a view with several contextual filter, It’s ok with only one contextual filter (mysite.com/contacts/11) but how can i do with several filter my url is the same and the view don’t anderstand witch filter must be active ?

Thanks and sorry for my english 🙁

Drupal version: 


Source: https://www.drupal.org/taxonomy/term/22/feed