Perhaps you should try some spelling variations:
mittelbar » mittelbare, unmittelbar
ermittelbar » ermittelbare, erunmittelbar, unmittelbar
unununmittelbareee » unununmittelbareeee, ununununmittelbareee, unununmittelbaree
unmittelbareer » unmittelbareeer, ununmittelbareer, unmittelbarer, unmittelbaren, unmittelbarem
unmittelbare » unmittelbaree, ununmittelbare, unmittelbar

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 (unununmittelbareee OR unmittelbareer))) OR unmittelbare).
• Adding a wildcard symbol may retrieve word variants: ((mittelbar or (ermittelbar or (unununmittelbareee or unmittelbareer))) or unmittelbare)*.