Perhaps you should try some spelling variations:
personal communications » personal communication, interpersonal communications, internal communications
communications costs » communication costs, communications _
technologien aids » technologien als, technologien ad, technologien des
information banks » information bank, information thanks, information based
aids information » chandos information, series information
why personal » my personal, a personal, 1 personal
3 developing » 3 development
developing 2 » developing _, developing a, developing e
banks why » banks key
costs 3 » costs _, costs 4, costs a
2 areas » 1 areas, 2 areal, 4 areas

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

• Adding a wildcard symbol may retrieve word variants: technologien aids information banks why personal communications costs 3 developing 2 areas.*.