Perhaps you should try some spelling variations:
dualen communication » scale communication, scales communication, human communication
information centers » information contents, information officers
15.3 developing » 1.3 developing, 10.3 developing, 5.3 developing
technologies 2 » technologies _, technologies 4
developing a » developing _
centers der » centers help, centers real, monsters der
der dualen » des dualen, der duale, der idealen
costs 15.3 » costs 12.3, costs 14.3, costs 5.3
a africa » 1 africa, can africa, em africa

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

• Adding a wildcard symbol may retrieve word variants: technologies 2 information centers der dualen communication costs 15.3 developing a africa.*.