Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
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
cost 4.2 » costs 4.2, cost 3.2, cost 1.2
fees de » fees re, redes de, deces de
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 fees de communication cost 4.2 development 1 areas.*.