Perhaps you should try some spelling variations:
de communication » mobile communication, online communication
technologies 19 » technologies 1, technologies 11, technologies 12
interaction det » interaction data, interaction dead, interaction model
development eco » development second, development east, development menu
19 interaction » 10 interaction, 17 interaction, 2193 interaction
4 development » 2 development, 4 developing
eco afrique » en afrique
det data » debt data, pet data, set data
data de » data den, data die, data do
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 19 interaction det data de communication costs 4 development eco afrique.*.