Perhaps you should try some spelling variations:
mittelbare » unmittelbare, unmittelbaren
ununmittelbarene » unununmittelbarene, unununmittelbarenne, unmittelbaren, unmittelbare, unmittelbarer
unmittelbareee » ununmittelbareee, ununmittelbarenee, unmittelbare, unmittelbaren, unmittelbarer
unmittelbareren » ununmittelbareren, ununmittelbarenren, unmittelbaren, unmittelbarer, unmittelbarsten

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: ((unmittelbar OR mittelbare) OR (ununmittelbarene OR (unmittelbareee OR unmittelbareren))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((unmittelbar or mittelbare) or (ununmittelbarene or (unmittelbareee OR unmittelbareren)))".
• Adding a wildcard symbol may retrieve word variants: ((unmittelbar or mittelbare) or (ununmittelbarene or (unmittelbareee OR unmittelbareren)))*.