Perhaps you should try some spelling variations:
information content » information contents, information centers, information centre
open communication » human communication, 3 communication, 4 communication
technologien als » technologien des, technologien fur, technologien und
als information » als informations, aids information, laws information
7.3 developing » 3.3 developing, 1.3 developing, 2.2 developing
developing 1 » developing _, developing a, developing e
content 3.5 » content 3.2, content 3.3, content 4.5
costs 7.3 » costs 2.3, costs 4.3, costs 5.3
3.5 open » 2.5 open

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

• Adding a wildcard symbol may retrieve word variants: technologien als information content 3.5 open communication costs 7.3 developing 1 africa.*.