To my surprise, the English Wikipedia article about the concept of homines novi is called Novus Homo, not homo novus as I would expect.
I have been taught that Latin order is almost always substantive – adjective (fenestra aperta) as opposed to English or German (open window, offenes Fenster). The original Latin texts I have read and remember all talk about homo novus, not novus homo.
Since when has novus homo been used as a substitute for homo novus, or vice versa, depending which one has been coined first?
#hom ~ #nov, but you will have to weed out a number of false positives. It also catches things like novi quidam homines (Cicero) since the two words don't have to be adjacent when you use~. (@C.M.Weimer I corrected your typo.) – Joonas Ilmavirta Oct 01 '17 at 23:32