Perhaps you should try some spelling variations:
information context » information content, information contents, information centers
oral communication » personal communication
technologien des » technologien fur, technologien und, technologies 2
des information » des informations, does information, dis information
context model » context models, content models, control model
3 developing » 3 development
developing a » developing _
model oral » modern oral, novel oral
a africa » 1 africa, can africa, em africa
costs 3 » costs _, costs 4, costs a

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

• Adding a wildcard symbol may retrieve word variants: technologien des information context model oral communication costs 3 developing a africa.*.