Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
information costs » information contents, information centers, information content
technologien ids » technologien des, technologien als, technologien im
de communication » mobile communication, online communication
ids information » aids information, dis information, mis 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
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 ids information costs des de communication cost 2.3 development _ areas.*.