Mautic Contacts Search : OR operand

Originally posted on github :
https://github.com/mautic/mautic/issues/4587

You can search using or filters like
email:(test1@company.com OR test2@company.com)

But you can’t search this way :
email:test1@company.com OR email:test2@company.com

For more complex searches we could want something like
email:%@company.com OR lastname:TEST

Or operand can only applied inside a single command (email: lastname: …) ?