Perhaps you should try some spelling variations:
2.2 communication » 2.3 communication, 3.2 communication, 2.7 communication
le developpement » de developpement, sme development
developpement de » developpement des, developpement durable
formation des » formation _
de afrique » de l'afrique, en afrique, l afrique
des data » das data, dhs data, dns data
a le » a les, a la, a l

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

• Adding a wildcard symbol may retrieve word variants: technologies _ formation des data 2.2 communication a le developpement de afrique.*.