Perhaps you should try some spelling variations:
person communication » personal communication, personal communications, irsn 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
4 developing » 3 developing
developing 2 » developing _, developing a, developing e
der person » per person, der personen, older persons
costs der » costs differ
costs 4 » costs _, costs a, costs 4.2
2 areas » 1 areas, 2 areal, 4 areas

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 der person communication costs 4 developing 2 areas.*.