Perhaps you should try some spelling variations:
oral communication » personal communication
technologien des » technologien fur, technologien und, technologies 2
des informations » aids information
informations sur » informations und
developing areas » developing asia, developing east, developing a
a developing » a development
areas areas » areas arenas, seas areas, areas access
die oral » die moral, die orte
sur die » fur die, nur die, kur die
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 informations sur die oral communication costs a developing areas areas.*.