Perhaps you should try some spelling variations:
visual communication » oral communication, personal communication
information centers » information contents, information officers
technologien new » technologies new, technologien des, technologien fur
developing areas » developing asia, developing east, developing a
new information » 2 information
a developing » a development
areas areas » areas arenas, seas areas, areas access
centers 21 » centers 2.2, centers 2.8, centers _
21 visual » 2.1 visual, 2 visual, 11 visual
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 new information centers 21 visual communication costs a developing areas areas.*.