Perhaps you should try some spelling variations:
secure communication » remote communication, science communication, mobile communication
normative content » normative context, information content, normative consensus
technologies das » technologies dans, technologies daf, technologies case
3.5 developing » 3.3 developing, 3.2 developing, 1.5 developing
das normative » das normativ, des normativen, a normative
developing 1 » developing _, developing a, developing e
content id » content i, content _, content 1
id secure » _ secure, a secure, 3 secure
costs 3.5 » costs 4.2, costs 4.4, costs 2.3

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

• Adding a wildcard symbol may retrieve word variants: technologies das normative content id secure communication costs 3.5 developing 1 africa.*.