Perhaps you should try some spelling variations:
oral communication » personal communication
development banks » development bank
technologien als » technologien des, technologien fur, technologien und
als information » als informations, aids information, laws information
banks africa » bank's africa, bank africa, bank african
non oral » non oil, non arab
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 als information 3.2 non oral communication costs a development banks africa.*.