Perhaps you should try some spelling variations:
secure communication » remote communication, science communication, mobile communication
technologies based » technologies used, technology based, technologies a
normative content » normative context, information content, normative consensus
based normative » based formative, based narrative, das normative
3.2 developing » 3.3 developing, 2.2 developing, 3 developing
developing v » developing av, developing _, developing a
content id » content i, content _, content 1
id secure » _ secure, a secure, 3 secure
costs 3.2 » costs 4.2, cost 3.2, costs 3.5
v africa » 1 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 based normative content id secure communication costs 3.2 developing v africa.*.