Perhaps you should try some spelling variations:
information center » information centers, information centre, information content
communication cost » communication costs, communication costa, communications costs
der communication » de communication, under communication, debt communication
technologien dis » technologien des, technologien als, technologien im
dis information » mis information, aids information, des informations
4 developing » 3 developing
developing a » developing _
center 2.3 » center 2.1, center 2.0, center 2.5
a africa » 1 africa, can africa, em africa
cost 4 » cost _, cost 2.4

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 2.3 der communication cost 4 developing a africa.*.