Perhaps you should try some spelling variations:
personal communication » interpersonal communication
information case » information based, information can, information costs
technologien am » technologien im, technologien als, technologie im
am information » guam information, palm information, crm information
4 developing » 3 developing
developing e » developing _, developing a, developing east
d1 personal » 1 personal, 11 personal, de personal
e access » 2 access, 3 access, 4 access
case d1 » case 1, case d, case 11
costs 4 » costs _, costs a, costs 4.2

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

• Adding a wildcard symbol may retrieve word variants: technologien am information case d1 personal communication costs 4 developing e access.*.