Perhaps you should try some spelling variations:
online communication » mobile communication, business communication, mobile communications
information centers » information contents, information officers
communication cost » communication costs, communication costa, communications costs
technologien dis » technologien des, technologien als, technologien im
dis information » mis information, aids information, des informations
centers help » centers hold, centers real
4 developing » 3 developing
developing a » developing _
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 centers help online communication cost 4 developing a africa.*.