Perhaps you should try some spelling variations:
secure communication » remote communication, science communication, mobile communication
developed content » developed contexts, developed control, development contents
content assessed » contexts assessed, contents assessing, context assessing
technologien ad » technologien am, technologien und, technologien als
ad information » d information, nd information, od information
4.1 developed » 4.5 developed, 5.1 developed, 6.1 developed
ii secure » id secure, _ secure, a secure
costs 4.1 » costs 4.2, costs 4.4, 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 ad information _ ii secure communication costs 4.1 developed content assessed.*.