Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
de communications » de communication, do communications, mce communications
technologien des » technologien fur, technologien und, technologies 2
information case » information based, information can, information costs
des information » des informations, does information, dis information
4.2 development » 3.2 development, 2.3 development, 1 development
case debt » rate debt, case des
debt de » debt do, debt debt, debt gdp
1 areas » 1 area, 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 des information case debt de communications costs 4.2 development 1 areas.*.