Perhaps you should try some spelling variations:
technologien als » technologien des, technologien fur, technologien und
information case » information based, information can, information costs
als information » als informations, aids information, laws information
2.3 developing » 3.3 developing, 2.2 developing, 1.3 developing
developing a » developing _
case mobile » based mobile, das mobile, can mobile
case case » base case, case based, use case
costs 2.3 » costs 4.2, costs 4.4
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 als information case case mobile communication costs 2.3 developing a areas.*.