Perhaps you should try some spelling variations:
persona communication » personal communication, personal communications, personal communicator
technologien mis » technologien mit, technologien des, technologien als
mis information » dis information, aids information, ids information
4.1 developing » 3.1 developing, 4 developing, 3.3 developing
information 2 » information 3
eine persona » eine person, ein persona, die persona
developing a » developing _
costs 4.1 » costs 4.2, costs 4.4, costs 4.3
a areas » 1 areas, 2 areas, 4 areas

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

• Adding a wildcard symbol may retrieve word variants: technologien mis information 2 eine persona communication costs 4.1 developing a areas.*.