Perhaps you should try some spelling variations:
information centers » information contents, information officers
den communication » open communication, lean communication, when communication
technologien als » technologien des, technologien fur, technologien und
als information » als informations, aids information, laws information
14.3 developing » 1.3 developing, 10.3 developing, 14.1 developing
developing a » developing _
centers 3.1 » center 3.1, centers 3.3, centers 3.8
costs 14.3 » costs 4.3, costs 12.3, costs 15.3
a africa » 1 africa, can africa, em africa
3.1 den » 3.1 der, 3.1 de, 3.1 def

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

• Adding a wildcard symbol may retrieve word variants: technologien als information centers 3.1 den communication costs 14.3 developing a africa.*.