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
4 developing » 3 developing
developing e » developing _, developing a, developing east
de oral » de otras, new oral
costs 4 » costs _, costs a, costs 4.2
e areas » 1 areas, 2 areas, 4 areas
age de » page de, stage de, image de

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 de oral communication costs 4 developing e areas.*.