Perhaps you should try some spelling variations:
oral communication » personal communication
technologien des » technologien fur, technologien und, technologies 2
des information » des informations, does information, dis information
information age » information storage, information access, information about
developing 21 » developing _, developing a, developing e
a developing » a development
first oral » first organ, first deal, first drupal
age first » gate first, one first, use first
costs a » costs _, costs 4
21 area » 2.1 area, 1 area, 26 area

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

• Adding a wildcard symbol may retrieve word variants: technologien des information age first oral communication costs a developing 21 area.*.