Perhaps you should try some spelling variations:
information center » information centers, information centre, information content
technologien dis » technologien des, technologien als, technologien im
dis information » mis information, aids information, des informations
1 communication » 10 communication, 3 communication, 4 communication
5.4 developing » 6.4 developing, 3.3 developing, 2.2 developing
developing can » developing a, developing ai, developing av
center worker » center workers, sector worker, career worker
can africa » urban africa
costs 5.4 » costs 4.4, costs 6.4, costs 2.4
worker 1 » workers 1, worker _, worker a

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

• Adding a wildcard symbol may retrieve word variants: technologien dis information center worker 1 communication costs 5.4 developing can africa.*.