Perhaps you should try some spelling variations:
persona communication » personal communication, personal communications, personal communicator
technologien laws » technologien als, technologien des, technologien am
laws information » news information, als information, platas information
information 2.2 » information 1.2, information 2.7, information 2.2.2
development 2.1 » development 1
4 development » 2 development, 4 developing
ein persona » eine person, die persona, non personal
2.1 areal » 2.1 area, 2.1 real, 2.1 areas
costs 4 » costs _, costs a, costs 4.2

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

• Adding a wildcard symbol may retrieve word variants: technologien laws information 2.2 ein persona communication costs 4 development 2.1 areal.*.