Perhaps you should try some spelling variations:
otras communication » optical communication, towards communication, actors communication
technologien dis » technologien des, technologien als, technologien im
information case » information based, information can, information costs
dis information » mis information, aids information, des informations
4 developing » 3 developing
developing a » developing _
de otras » de otros, y otras, 3 otras
a access » 2 access, 3 access, 4 access
case de » case des, case d, case d1
costs 4 » costs _, costs a, costs 4.2

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

• Adding a wildcard symbol may retrieve word variants: technologien dis information case de otras communication costs 4 developing a access.*.