Perhaps you should try some spelling variations:
oral communication » personal communication
technologien als » technologien des, technologien fur, technologien und
als information » als informations, aids information, laws information
developing a » developing _
systems die » system die, systeme die, systems due
die oral » die moral, die orte
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: technologien als information systems die oral communication costs _ developing a africa.*.