Perhaps you should try some spelling variations:
information based » information case, information bank, transformation based
de communication » mobile communication, online communication
technologien ad » technologien am, technologien und, technologien als
ad information » d information, nd information, od information
3.2 developing » 3.3 developing, 2.2 developing, 3 developing
based debt » based deep, based direct
costs 3.2 » costs 4.2, cost 3.2, costs 3.5
debt de » debt do, debt debt, debt gdp

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

• Adding a wildcard symbol may retrieve word variants: technologien ad information based debt de communication costs 3.2 developing _ areas.*.