Perhaps you should try some spelling variations:
personal communication » interpersonal communication
technologien und » technologie und, technologien des, technologien fur
information case » information based, information can, information costs
development 10.1 » development 1.1, development 15.1, development 10.2
und information » fund information, road information, award information
de personal » der personal, des personal, de persona
10.1 access » 1.1 access, 10.2 access, 1.4.1 access
case de » case des, case d, case d1
costs 2 » costs 20, costs _, costs 4

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

• Adding a wildcard symbol may retrieve word variants: technologien und information case de personal communication costs 2 development 10.1 access.*.