Perhaps you should try some spelling variations:
personal communications » personal communication, interpersonal communications, internal communications
communications costs » communication costs, communications _
technologien und » technologie und, technologien des, technologien fur
und information » fund information, road information, award information
non personal » 1 personal, 4 personal, 2 personal
a developing » a development
developing e » developing _, developing a, developing east
costs a » costs _, costs 4
e areal » _ areal, 2 areal, 4 areal

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

• Adding a wildcard symbol may retrieve word variants: technologien und information 3.2 non personal communications costs a developing e areal.*.