Spotlight is great, but sometimes you need something more specialized. EasyFind finds files and folders by name, content, tags, or comments using advanced Boolean operators, wildcards, phrases, even regular expressions. It does not require indexing, is fast, and uses very little memory.
anchor apple generic and identifier "org.grunenberg.EasyFind" and (certificate leaf[field.1.2.840.113635.100.6.1.9] /* exists */ or certificate 1[field.1.2.840.113635.100.6.2.6] /* exists */ and certificate leaf[field.1.2.840.113635.100.6.1.13] /* exists */ and certificate leaf[subject.OU] = "679S2QUWR8")