*I noticed if we force propetieName:value it works in 7.1, but that was not necessary in 5.2.
After to upgrade to Alfresco Content Services (Community). Current version: 7.1.0 (Linux Docker image SDK Based - alfresco/alfresco-search-services:2.0.2 ), these merged search dont find content. I can find my content only using each terms separately.
Folloing tests using 5.2 and 7.1 community versions: