Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
information cases » information case, information classes, information costs
technologien und » technologie und, technologien des, technologien fur
de communication » mobile communication, online communication
und information » fund information, road information, award information
2.4 development » 2.3 development, 2.1 development, 2.2 development
a areas » 1 areas, 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 und information cases des de communication cost 2.4 development a areas.*.