Perhaps you should try some spelling variations:
personal communication » interpersonal communication
information costs » information contents, information centers, information content
technologien zur » technologien fur, technologien des, technologien und
zur information » fur information, your information, der information
der personal » der personalen, der personen, der person
4 developing » 3 developing
developing 4 » developing _, developing a, developing e
costs der » costs differ
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 zur information costs der personal communication costs 4 developing 4 areas.*.