Perhaps you should try some spelling variations:
verfall communication » verbal communication, serial communication, vertical communication
information costs » information contents, information centers, information content
technologies 2 » technologies _, technologies 4
developing a » developing _
4 verfall » 3 verfall, im verfall
costs 4 » costs a, costs 4.2, costs 4.4
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: technologies 2 information costs 4 verfall communication costs _ developing a areas.*.