Perhaps you should try some spelling variations:
personal communication » interpersonal communication
information costs » information contents, information centers, information content
technologien fur » technologien des, technologien und, technologies 2
fur information » zur information, fair information, your information
3 developing » 3 development
d1 personal » 1 personal, 11 personal, de personal
costs d1 » costs 1, costs 4.1, costs 2.1
costs 3 » costs _, costs 4, costs a

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

• Adding a wildcard symbol may retrieve word variants: technologien fur information costs d1 personal communication costs 3 developing _ asezs.*.