Perhaps you should try some spelling variations:
data communication » data communications
a developpement » au developpement, de developpement, le developpement
4.1 variation » 1.1 variation, 2.1 variation, 4.3 variation
des l'afrique » de l'afrique, de l'amerique
typology 4.1 » typology 2.2.1, typology _, ecology 4.1
costs data » cost data
media a » media _, media 1, media 3

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

• Adding a wildcard symbol may retrieve word variants: typology 4.1 variation _ costs data communication media a developpement des l'afrique.*.