Perhaps you should try some spelling variations:
communication costa » communication costs, communications costs, communication cote
technologien aids » technologien als, technologien ad, technologien des
information costs » information contents, information centers, information content
aids information » chandos information, series information
de communication » mobile communication, online communication
4.2 development » 3.2 development, 2.3 development, 1 development
costa 4.2 » costs 4.2, costs 4.4, cost 3.2
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 aids information costs debt de communication costa 4.2 development 1 areas.*.