Perhaps you should try some spelling variations:
communication costa » communication costs, communications costs, communication cote
technologien does » technologien des, technologien als, technologie de
does information » des informations, dis information, users information
de communication » mobile communication, online communication
information can » information case, information 1, information 1.2
2.2 developing » 3.2 developing, 3.3 developing, 2.2 development
costa 2.2 » cost 2.2, costs 2.2, forsta 2.2
can debt » bank debt, card debt, loan debt
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 does information can debt de communication costa 2.2 developing _ areas.*.