Many thanks for you reply.
I am trying to use secondary logic but I have problem.
Say we have to user located in city of Apricena (Emanuele Libero and Antonio Francesco Parisi) and only one is a DJ (Emanuele Libero)
If I type “apricena” in search box I should have two results (Emanuele Libero and Antonio Francesco Parisi) – and this is fine. it works
If I type “apricena dj” I should have one result (Emanuele Libero). Here I have problem. I didn’t manage to make it works. I get no result
I enabled secondary logic “AND” with no result
would this plugin “https://wordpress.org/plugins/advanced-custom-fields/” help in order to add user meta fields?
Alessio