Perhaps you should try some spelling variations:
den communication » open communication, lean communication, when communication
technologien nd » technologien und, technologien ad, technologie und
nd information » und information, d information, od information
contents 2.1 » contents 12.1, contexts 2.1, contents 3.1
developing a » developing _
a africa » 1 africa, can africa, em africa
2.1 den » 2.1 der, 2.1 de, 2.1 dan

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

• Adding a wildcard symbol may retrieve word variants: technologien nd information contents 2.1 den communication costs _ developing a africa.*.