Perhaps you should try some spelling variations:
social communication » oral communication, digital communication, visual communication
technologien aids » technologien als, technologien ad, technologien des
information costs » information contents, information centers, information content
aids information » chandos information, series information
development case » development china
4 development » 2 development, 4 developing
case social » cash social, care social, scale social
costs case » costs cash
case areas » base areas, core areas, rate areas
costs 4 » costs _, costs a, costs 4.2

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 case social communication costs 4 development case areas.*.