Perhaps you should try some spelling variations:
technologien als » technologien des, technologien fur, technologien und
information bank » information b, information 2, information 1
de communication » mobile communication, online communication
als information » als informations, aids information, laws information
4 developing » 3 developing
debt de » debt do, debt debt, debt gdp
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 als information bank debt de communication costs 4 developing _ areas.*.