Perhaps you should try some spelling variations:
model communication » modern communication, moral communication, modeling communication
information center » information centers, information centre, information content
technologien als » technologien des, technologien fur, technologien und
als information » als informations, aids information, laws information
3.3 developing » 4 developing, 2 developing, 1 developing
developing 1 » developing _, developing a, developing e
center area » center crec, center based, center agent
area model » areas model, arena model, dea model
costs 3.3 » costs 2.3, costs 3.5, costs 4.3

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

• Adding a wildcard symbol may retrieve word variants: technologien als information center area model communication costs 3.3 developing 1 africa.*.