Perhaps you should try some spelling variations:
secure communication » remote communication, science communication, mobile communication
information context » information content, information contents, information centers
developing em » developing e, developing eq, developing amp
4 developing » 3 developing
context how » content how, context has, context he
how secure » own secure, how security
em africa » 1 africa
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 _ information context how secure communication costs 4 developing em africa.*.