Perhaps you should try some spelling variations:
information case » information based, information can, information costs
de communication » mobile communication, online communication
4.4 developing » 5.4 developing, 6.4 developing, 1.4 developing
developing a » developing _
costs 4.4 » costs 4.2
case das » case des, case case, case data
a areas » 1 areas, 2 areas, 4 areas
das de » das der, das dem, das den

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

• Adding a wildcard symbol may retrieve word variants: technologien _ information case das de communication costs 4.4 developing a areas.*.