Perhaps you should try some spelling variations:
communications code » communication mode, communications case, communications models
technologien aids » technologien als, technologien ad, technologien des
de communications » de communication, do communications, mce communications
aids information » chandos information, series information
2.1 developing » 2.2 developing, 2.3 developing, 2.6 developing
contents how » content how, contents co, contents mot
developing a » developing _
code 2.1 » code 2.3, code 6.1
a africa » 1 africa, can africa, em africa
how de » how doe, how do, how ae

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 how de communications code 2.1 developing a africa.*.