Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
information based » information case, information bank, transformation based
der communication » de communication, under communication, debt communication
technologien mis » technologien mit, technologien des, technologien als
mis information » dis information, aids information, ids information
12 developing » 1.2 developing, 2 developing, 1 developing
based des » based modes, based debt, based deep
des der » des dr, des ddr, des dem
cost 12 » cost 1.2, cost 15, cost 3.2

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

• Adding a wildcard symbol may retrieve word variants: technologien mis information based des der communication cost 12 developing _ areas.*.