Perhaps you should try some spelling variations:
personal communication » interpersonal communication
technologien ad » technologien am, technologien und, technologien als
information 1.2 » information 1.5.2, information 2
ad information » d information, nd information, od information
3.5 developing » 3.3 developing, 3.2 developing, 1.5 developing
why personal » my personal, a personal, 1 personal
developing 4 » developing _, developing a, developing e
costs 3.5 » costs 4.2, costs 4.4, costs 2.3
4 access » 2 access, 3 access
1.2 why » 1.2 what

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

• Adding a wildcard symbol may retrieve word variants: technologien ad information 1.2 why personal communication costs 3.5 developing 4 access.*.