Perhaps you should try some spelling variations:
3.1 communications » 3.1 communication, 4.1 communication, 1.1 communication
technologien does » technologien des, technologien als, technologie de
does information » des informations, dis information, users information
contents help » contents head, contents map, contents how
3 developing » 3 development
developing 1 » developing _, developing a, developing e
help 3.1 » help 4.1, help 5.1, help 1

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

• Adding a wildcard symbol may retrieve word variants: technologien does information contents help 3.1 communications _ 3 developing 1 africa.*.