Perhaps you should try some spelling variations:
secure communication » remote communication, science communication, mobile communication
technologies based » technologies used, technology based, technologies a
communication cost » communication costs, communication costa, communications costs
formative context » normative context, normative content, formation contents
based formative » based information
2.2 developing » 3.2 developing, 3.3 developing, 2.2 development
developing av » developing a, developing ai, developing amp
context iv » context ii, context ios, context 3
iv secure » id secure, _ secure, a secure
av africa » v africa, iv africa, can africa
cost 2.2 » costs 2.2, cost 2.4, cost 3.2

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

• Adding a wildcard symbol may retrieve word variants: technologies based formative context iv secure communication cost 2.2 developing av africa.*.