Perhaps you should try some spelling variations:
3.1 communications » 3.1 communication, 4.1 communication, 1.1 communication
der developpements » des developpements, deux developpements, de developpement
developpements de » developpement de, developpement des, developpement du
technologies can » technologies a, technologies co, technologies _
formation after » information after, formation chapter, formation acteurs
can formation » can information, band formation, care formation
de afrique » de l'afrique, en afrique, l afrique
after e » after eu, after _, after a
e 3.1 » _ 3.1, i 3.1, a 3.1

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

• Adding a wildcard symbol may retrieve word variants: technologies can formation after e 3.1 communications _ der developpements de afrique.*.