Perhaps you should try some spelling variations:
personal communication » interpersonal communication
information 1.3 » information 14.3, information 1.2, information 10.4
technologien 1 » technologies 1, technologien _, technologien 4
ein personal » ein persona, non personal, e personal
4 developing » 3 developing
developing e » developing _, developing a, developing east
1.3 ein » 5.3 ein, 4.3 ein, 6.3 ein
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 1 information 1.3 ein personal communication costs 4 developing e areas.*.