Perhaps you should try some spelling variations:
personal communication » interpersonal communication
information 2.2.1 » information 12.2.1, information 2.2.2, information 2.2.3
technologien ad » technologien am, technologien und, technologien als
ad information » d information, nd information, od information
ein personal » ein persona, non personal, e personal
4 developing » 3 developing
developing 4 » developing _, developing a, developing e
costs 4 » costs _, costs a, costs 4.2
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 ad information 2.2.1 ein personal communication costs 4 developing 4 areas.*.