Perhaps you should try some spelling variations:
oral communication » personal communication
technologien des » technologien fur, technologien und, technologies 2
information case » information based, information can, information costs
des information » des informations, does information, dis information
developing em » developing e, developing eq, developing amp
a developing » a development
case modes » case models, case model, base model
modes oral » modern oral
em africa » 1 africa
costs a » costs _, costs 4

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

• Adding a wildcard symbol may retrieve word variants: technologien des information case modes oral communication costs a developing em africa.*.