Perhaps you should try some spelling variations:
visual communication » oral communication, personal communication
information centers » information contents, information officers
development 2.3 » development 2.1, development 1
technologien f » technologien _, technologien 1, technologien 4
20 development » 2 development, 2015 development, 2007 development
f information » 2 information, 1 information, 3 information
centers geo » centers help, centers real
geo visual » new visual, two visual
2.3 access » 5.3 access, 1.3 access, 2.4 access
costs 20 » costs 60, costs 2.3, costs 2.1

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

• Adding a wildcard symbol may retrieve word variants: technologien f information centers geo visual communication costs 20 development 2.3 access.*.