Perhaps you should try some spelling variations:
technologien aids » technologien als, technologien ad, technologien des
aids information » chandos information, series information
de communication » mobile communication, online communication
4.4 developing » 5.4 developing, 6.4 developing, 1.4 developing
contents from » content from, context from, comments from
developing a » developing _
costs 4.4 » costs 4.2
a africa » 1 africa, can africa, em africa
from de » from dem, from deep

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

• Adding a wildcard symbol may retrieve word variants: technologien aids information contents from de communication costs 4.4 developing a africa.*.