Perhaps you should try some spelling variations:
secure communication » remote communication, science communication, mobile communication
communication costa » communication costs, communications costs, communication cote
technologies used » technologies based, technology used, technologies _
formative context » normative context, normative content, formation contents
used formative » based formative, using formative, die formative
2.2 developing » 3.2 developing, 3.3 developing, 2.2 development
developing av » developing a, developing ai, developing amp
context six » context since, context some, context saph
six secure » id secure, six lectures
costa 2.2 » cost 2.2, costs 2.2, forsta 2.2
av africa » v africa, iv africa, can africa

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

• Adding a wildcard symbol may retrieve word variants: technologies used formative context six secure communication costa 2.2 developing av africa.*.