Perhaps you should try some spelling variations:
pre communication » parte communication, prone communication, true communication
technologien am » technologien im, technologien als, technologie im
am information » guam information, palm information, crm information
era developing » a developing, kenya developing, asia developing
information a » information age, information about
developing a » developing _
6.1 pre » 3.1 pre, 2.1 pre, 4.1 pre
a urban » 2 urban, 4 urban, 1 urban
a 6.1 » a 4.1
a era » _ era, 0 era, a ena

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

• Adding a wildcard symbol may retrieve word variants: technologien am information a 6.1 pre communication a era developing a urban.*.