Perhaps you should try some spelling variations:
communication costa » communication costs, communications costs, communication cote
technologien ids » technologien des, technologien als, technologien im
information case » information based, information can, information costs
de communication » mobile communication, online communication
ids information » aids information, dis information, mis information
2.2 developing » 3.2 developing, 3.3 developing, 2.2 development
developing a » developing _
case debt » rate debt, case des
costa 2.2 » cost 2.2, costs 2.2, forsta 2.2
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 ids information case debt de communication costa 2.2 developing a areas.*.