Perhaps you should try some spelling variations:
des developpements » deux developpements, de developpement, et developpements
10 communications » 10 communication, 14 communications, 2 communications
developpements de » developpement de, developpement des, developpement du
communications a » communications _, communications law, communications media
de afrique » de l'afrique, en afrique, l afrique
table 15 » table 1.5, table 1, table 5
15 10 » 15 16, 15 17, 10 10
a des » a der, a das

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

• Adding a wildcard symbol may retrieve word variants: technologies _ information table 15 10 communications a des developpements de afrique.*.