Perhaps you should try some spelling variations:
communication costa » communication costs, communications costs, communication cote
technologien des » technologien fur, technologien und, technologies 2
information rate » information ratio, information related, information matter
de communication » mobile communication, online communication
des information » des informations, does information, dis information
2.2 developing » 3.2 developing, 3.3 developing, 2.2 development
rate debt » private debt
costa 2.2 » cost 2.2, costs 2.2, forsta 2.2
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 des information rate debt de communication costa 2.2 developing _ areas.*.