Perhaps you should try some spelling variations:
serial communication » verbal communication, social communication, material communication
technologien aids » technologien als, technologien ad, technologien des
information costs » information contents, information centers, information content
aids information » chandos information, series information
developing a » developing _
4 serial » _ serial, a serial, 3 serial
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: technologien aids information costs 4 serial communication costs _ developing a areas.*.