Perhaps you should try some spelling variations:
information centre » information centers, information contents
technologien dis » technologien des, technologien als, technologien im
13 communication » 3 communication, 1 communication, 10 communication
dis information » mis information, aids information, des informations
4.1 developing » 3.1 developing, 4 developing, 3.3 developing
developing em » developing e, developing eq, developing amp
centre 11 » centre 16, centre 2011, centre 1951
costs 4.1 » costs 4.2, costs 4.4, costs 4.3
em africa » 1 africa
11 13 » 11 12, 12 13

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

• Adding a wildcard symbol may retrieve word variants: technologien dis information centre 11 13 communication costs 4.1 developing em africa.*.