Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
information costs » information contents, information centers, information content
technologien des » technologien fur, technologien und, technologies 2
de communication » mobile communication, online communication
des information » des informations, does information, dis information
2.3 development » 2 development, 2015 development, 1 development
costs des » costs fees
cost 2.3 » costs 2.3, cost 2.4, cost 2.2
1 areas » 1 area, 2 areas, 4 areas
des de » des dem, des der, des des

You may be able to get more results by adjusting your search query.

• Adding a wildcard symbol may retrieve word variants: technologien des information costs des de communication cost 2.3 development 1 areas.*.