Perhaps you should try some spelling variations:
model communication » modern communication, moral communication, modeling communication
technologien des » technologien fur, technologien und, technologies 2
des information » des informations, does information, dis information
development 2.3 » development 2.1, development 1
user model » use model, buyer model, outer model
2.3 access » 5.3 access, 1.3 access, 2.4 access
3.2 user » 3.1 user, 3.2 use, 3.3 user
costs 2 » costs 20, costs _, costs 4

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

• Adding a wildcard symbol may retrieve word variants: technologien des information 3.2 user model communication costs 2 development 2.3 access.*.