Perhaps you should try some spelling variations:
persona communication » personal communication, personal communications, personal communicator
informations 5.2 » information 15.2, information 1.5.2, information 5.2.2
technologien a » technologien am, technologien ad, technologien _
a informations » a information, 2 informations, 3 informations
development 4 » development 1
ein persona » eine person, die persona, non personal
5.2 ein » 2.2 ein, 1.2 ein, 3.2 ein
costs a » costs _, costs 4
4 areas » 1 areas, 2 areas, 4 areal

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

• Adding a wildcard symbol may retrieve word variants: technologien a informations 5.2 ein persona communication costs a development 4 areas.*.