Perhaps you should try some spelling variations:
oral communication » personal communication
information based » information case, information bank, transformation based
technologien fur » technologien des, technologien und, technologies 2
fur information » zur information, fair information, your information
developing em » developing e, developing eq, developing amp
a developing » a development
based modes » based models, based model, based mode
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 fur information based modes oral communication costs a developing em africa.*.