Perhaps you should try some spelling variations:
personal communication » interpersonal communication
technologien does » technologien des, technologien als, technologie de
information banks » information bank, information thanks, information based
does information » des informations, dis information, users information
developing areas » developing asia, developing east, developing a
4 developing » 3 developing
areas areas » areas arenas, seas areas, areas access
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 does information banks a personal communication costs 4 developing areas areas.*.