Perhaps you should try some spelling variations:
information cases » information case, information classes, information costs
c's communication » lea's communication, class communication, mass communication
technologien 2 » technologies 2, technologien _, technologien 1
3.3 developing » 4 developing, 2 developing, 1 developing
developing a » developing _
costs 3.3 » costs 2.3, costs 3.5, costs 4.3
des c's » des cas
a areas » 1 areas, 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 2 information cases des c's communication costs 3.3 developing a areas.*.