Perhaps you should try some spelling variations:
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
4 developing » 3 developing
banks go » banks _, banks 1, banks a
go data » geo data, eo data, two data
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 aids information banks go data communications costs 4 developing _ areas.*.