Perhaps you should try some spelling variations:
persona communication » personal communication, personal communications, personal communicator
technologien aids » technologien als, technologien ad, technologien des
aids information » chandos information, series information
information 2.2 » information 1.2, information 2.7, information 2.2.2
3 developing » 3 development
developing 4 » developing _, developing a, developing e
ein persona » eine person, die persona, non personal
costs 3 » costs _, costs 4, costs a
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 aids information 2.2 ein persona communication costs 3 developing 4 areas.*.