Perhaps you should try some spelling variations:
information context » information content, information contents, information centers
technologien aids » technologien als, technologien ad, technologien des
aids information » chandos information, series information
3 communication » 4 communication, de communication, data communication
development can » development case, development co, development canada
20 development » 2 development, 2015 development, 2007 development
can africa » urban africa
context 1 » context 3, context 2
costs 20 » costs 60, costs 2.3, costs 2.1

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

• Adding a wildcard symbol may retrieve word variants: technologien aids information context 1 3 communication costs 20 development can africa.*.