Perhaps you should try some spelling variations:
information centers » information contents, information officers
den communication » open communication, lean communication, when communication
technologie und » technologies 2.1
und information » fund information, road information, award information
4.4 developing » 5.4 developing, 6.4 developing, 1.4 developing
developing a » developing _
centers i » centers _, centers 3, centers a
costs 4.4 » costs 4.2
a africa » 1 africa, can africa, em africa
i den » _ den, i der, i en

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

• Adding a wildcard symbol may retrieve word variants: technologie und information centers i den communication costs 4.4 developing a africa.*.