Perhaps you should try some spelling variations:
personal communication » interpersonal communication
information banks » information bank, information thanks, information based
technologien dis » technologien des, technologien als, technologien im
developing areas » developing asia, developing east, developing a
dis information » mis information, aids information, des informations
4 developing » 3 developing
areas arenas » areas trends, seas areas
banks a » banks _, banks 1
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 dis information banks a personal communication costs 4 developing areas arenas.*.