Perhaps you should try some spelling variations:
information centers » information contents, information officers
12 communication » 1 communication, 10 communication, 13 communication
technologien am » technologien im, technologien als, technologie im
am information » guam information, palm information, crm information
developing em » developing e, developing eq, developing amp
centers 2011 » centre 2011, centers 21, center 2.1
4 developing » 3 developing
em africa » 1 africa
2011 12 » 2011 2012
costs 4 » costs _, costs a, costs 4.2

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

• Adding a wildcard symbol may retrieve word variants: technologien am information centers 2011 12 communication costs 4 developing em africa.*.