Perhaps you should try some spelling variations:
personal communication » interpersonal communication
technologien des » technologien fur, technologien und, technologies 2
des informations » aids information
informations 2.2 » information 2.2, information 2.2.2, information 3.2.2
non personal » 1 personal, 4 personal, 2 personal
4 developing » 3 developing
developing e » developing _, developing a, developing east
2.2 non » 3.2 non
costs 4 » costs _, costs a, costs 4.2
e areas » 1 areas, 2 areas, 4 areas

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

• Adding a wildcard symbol may retrieve word variants: technologien des informations 2.2 non personal communication costs 4 developing e areas.*.