Perhaps you should try some spelling variations:
information centers » information contents, information officers
communication case » communications case, communication based, communication phase
der communication » de communication, under communication, debt communication
technologien nd » technologien und, technologien ad, technologie und
nd information » und information, d information, od information
developing em » developing e, developing eq, developing amp
1 developing » 3 developing, 4 developing, 2 developing
centers 3.3 » centers 3.8, centers 4.3, century 3.3
em africa » 1 africa
3.3 der » 2.3 der, 4.3 der

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

• Adding a wildcard symbol may retrieve word variants: technologien nd information centers 3.3 der communication case 1 developing em africa.*.