Perhaps you should try some spelling variations:
de communication » mobile communication, online communication
developpement de » developpement des, developpement durable
formation where » formulation where, formation when, formation over
3 developpement » de developpement, le developpement, et developpement
technologies 4 » technologies _
4 formation » 1 formation, a formation, 4 formulation
de afrique » de l'afrique, en afrique, l afrique
where do » where _
do de » do we, dx de

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

• Adding a wildcard symbol may retrieve word variants: technologies 4 formation where do de communication a 3 developpement de afrique.*.