Perhaps you should try some spelling variations:
information kontext » information content, information contents, information centers
class communication » mass communication, plans communication, crisis communication
technologies iot » technologies ict, technologies icts, technologies art
iot information » ist information, cost information, plot information
3.1 developing » 3.3 developing, 3.2 developing, 4.1 developing
kontext des » kontext der
des class » des classes, per class
costs 3.1 » costs 3.5, costs 4.1, costs 2.1

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

• Adding a wildcard symbol may retrieve word variants: technologies iot information kontext des class communication costs 3.1 developing _ africa.*.