Native speakers can usually spell words in their own language. But really it's just a compound, just without any camel or snake case to indicate the word boundaries.

Mitarbeiterer_findungs_gesetz : "employee invention law". Where Mitarbeiterer can be further broken into "mit arbeit -erer". Mit=with, arbeit=work, and -erer is a suffix also used in English for "person who does a thing".