Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
technologien aids » technologien als, technologien ad, technologien des
de communications » de communication, do communications, mce communications
aids information » chandos information, series information
information case » information based, information can, information costs
a developing » a development
developing a » developing _
case debt » rate debt, case des
debt de » debt do, debt debt, debt gdp
costs a » costs _, costs 4
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 case debt de communications costs a developing a areas.*.