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
developing av » developing a, developing ai, developing amp
4 developing » 3 developing
content id » content i, content _, content 1
id secure » _ secure, a secure, 3 secure
av africa » v africa, iv africa, can 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: technologies based normative content id secure communication costs 4 developing av africa.*.