Perhaps you should try some spelling variations:
personal communication » interpersonal communication
information costs » information contents, information centers, information content
technologien und » technologie und, technologien des, technologien fur
und information » fund information, road information, award information
2.3 development » 2 development, 2015 development, 1 development
4 personal » a personal, 1 personal, 1945 personal
costs 2.3 » costs 4.2, costs 4.4
1 access » 10 access, 12 access, 14 access
costs 4 » costs _, costs a, costs 4.2

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

• Adding a wildcard symbol may retrieve word variants: technologien und information costs 4 personal communication costs 2.3 development 1 access.*.