Perhaps you should try some spelling variations:
does developpements » des developpements, de developpement, deux developpements
information search » information sharing, information service, information sources
developpements de » developpement de, developpement des, developpement du
2 communications » 2 communication, 3 communications, 4 communications
communications 5 » communications _, communications a, communications pt
search der » search term, search over, search terms
de afrique » de l'afrique, en afrique, l afrique
5 does » 2 does, 4 does
der 2 » der 24, der 25, der _

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

• Adding a wildcard symbol may retrieve word variants: technologies _ information search der 2 communications 5 does developpements de afrique.*.