Perhaps you should try some spelling variations:
technologies based » technologies used, technology based, technologies a
communication cost » communication costs, communication costa, communications costs
normative content » normative context, information content, normative consensus
based normative » based formative, based narrative, das normative
2.2 developing » 3.2 developing, 3.3 developing, 2.2 development
developing iv » developing av, developing ict, developing cil
content id » content i, content _, content 1
id mobile » i mobile, ii mobile, grid mobile
iv africa » v africa, 1 africa, em 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 normative content id mobile communication cost 2.2 developing iv africa.*.