Perhaps you should try some spelling variations:
6.2 communication » 3.2 communication, 2.3 communication, 2.7 communication
a developpement » au developpement, de developpement, le developpement
technologies a » technologies _, technologies 4, technologies 2
a information » 2 information, 1 information
des afrique » en afrique, de l'afrique
model date » model data, model kate, model update
date 6.2 » daten 6.2, data 6.2, date 4.2
costs a » costs _, costs 4

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

• Adding a wildcard symbol may retrieve word variants: technologies a information model date 6.2 communication costs a developpement des afrique.*.