Perhaps you should try some spelling variations:
technologies video » technology video, technologies evidence, technologies varies
video information » videos information, guided information, do information
3.1 communication » 3.1 communications, 3.2 communication, 3.5 communication
information some » information source, information stored, information space
developing ce » developing e, developing ict, developing cil
4 developing » 3 developing
ce afrique » en afrique, l afrique, de l'afrique
some ban » some back, some big, some bio
ban 3.1 » bang 3.1, ban 4.1, been 3.1
costs 4 » costs _, costs a, costs 4.2

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

• Adding a wildcard symbol may retrieve word variants: technologies video information some ban 3.1 communication costs 4 developing ce afrique.*.