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
13.2 developing » 3.2 developing, 1.2 developing, 12.2 developing
developing 1 » developing _, developing a, developing e
context id » context ii, context iv, context iyad
id secure » _ secure, a secure, 3 secure
cost 13.2 » cost 3.2, cost 1.2, cost 11.3

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 id secure communication cost 13.2 developing 1 africa.*.