Perhaps you should try some spelling variations:
oral communication » personal communication
technologien des » technologien fur, technologien und, technologies 2
developing urban » development urban, developing human, developing areas
des information » des informations, does information, dis information
a developing » a development
urban africa » urban area
contents a » contents 1, contents _, contents i
costs a » costs _, costs 4
a oral » _ oral, 2 oral, 4 oral

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

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