Perhaps you should try some spelling variations:
communication costa » communication costs, communications costs, communication cote
technologien aids » technologien als, technologien ad, technologien des
information based » information case, information bank, transformation based
aids information » chandos information, series information
de communication » mobile communication, online communication
3.2 developing » 3.3 developing, 2.2 developing, 3 developing
developing a » developing _
based debt » based deep, based direct
costa 3.2 » cost 3.2, costs 3.5, cost 1.2
debt de » debt do, debt debt, debt gdp
a areas » 1 areas, 2 areas, 4 areas

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

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