Perhaps you should try some spelling variations:
secure communication » remote communication, science communication, mobile communication
communication costa » communication costs, communications costs, communication cote
technologies based » technologies used, technology based, technologies a
formative context » normative context, normative content, formation contents
based formative » based information
3.3 developing » 4 developing, 2 developing, 1 developing
developing em » developing e, developing eq, developing amp
context iv » context ii, context ios, context 3
iv secure » id secure, _ secure, a secure
costa 3.3 » cost 3.2, costs 3.5, cost 2.3
em africa » 1 africa

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 costa 3.3 developing em africa.*.