Perhaps you should try some spelling variations:
mittelbar » unmittelbar, unmittelbare
ermittelbar » erunmittelbar, erunmittelbare, unmittelbar
ununununmittelbareee » unununununmittelbareee, unununununmittelbareeee, unununununmittelbarenee
unmittelbareer » ununmittelbareer, ununmittelbareeer, unmittelbarer, unmittelbareren, unmittelbare, ununmittelbarener
mittelbare » unmittelbare, unmittelbaree, unmittelbaren

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: ((mittelbar OR (ermittelbar OR (ununununmittelbareee OR unmittelbareer))) OR mittelbare).
• Adding a wildcard symbol may retrieve word variants: ((mittelbar or (ermittelbar or (ununununmittelbareee or unmittelbareer))) or mittelbare)*.