Perhaps you should try some spelling variations:
verfall communication » verbal communication, serial communication, vertical communication
technologien aids » technologien als, technologien ad, technologien des
aids information » chandos information, series information
developing a » developing _
contents 4 » contents 1, contents _, contents i
4 verfall » 3 verfall, im verfall
a areas » 1 areas, 2 areas, 4 areas

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

• Adding a wildcard symbol may retrieve word variants: technologien aids information contents 4 verfall communication costs _ developing a areas.*.