Perhaps you should try some spelling variations:
postal communication » post communication, oral communication, visual communication
technologien am » technologien im, technologien als, technologie im
am information » guam information, palm information, crm information
4.1 developing » 3.1 developing, 4 developing, 3.3 developing
contents der » content der, contents je, contents key
developing a » developing _
der postal » der apostel, der post, der posten
costs 4.1 » costs 4.2, costs 4.4, costs 4.3
a africa » 1 africa, can africa, em africa

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

• Adding a wildcard symbol may retrieve word variants: technologien am information contents der postal communication costs 4.1 developing a africa.*.