Perhaps you should try some spelling variations:
deux developpements » des developpements, de developpement, du developpement
10 communications » 10 communication, 14 communications, 2 communications
developpements de » developpement de, developpement des, developpement du
information data » information d820, information database, information databases
communications a » communications _, communications law, communications media
de afrique » de l'afrique, en afrique, l afrique
data de » data den, data die, data do
de 10 » die 10, de 1, do 10

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

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