Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
information cases » information case, information classes, information costs
technologien als » technologien des, technologien fur, technologien und
de communication » mobile communication, online communication
als information » als informations, aids information, laws information
2.4 developing » 12.4 developing, 2.2 developing, 5.4 developing
developing e » developing _, developing a, developing east
e 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 als information cases des de communication cost 2.4 developing e areas.*.