Perhaps you should try some spelling variations:
information kontext » information content, information contents, information centers
class communication » mass communication, plans communication, crisis communication
technologies co » technologies _, technologies 4, technologies 2
co information » do information, 2 information, 1 information
3.3 developing » 4 developing, 2 developing, 1 developing
developing a » developing _
der class » per class, order class, under class
costs 3.3 » costs 2.3, costs 3.5, costs 4.3
a africa » 1 africa, can africa, em africa

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

• Adding a wildcard symbol may retrieve word variants: technologies co information kontext der class communication costs 3.3 developing a africa.*.