Perhaps you should try some spelling variations:
communication case » communications case, communication based, communication phase
do communication » do communications, de communication, ngo communication
le developpement » de developpement, sme development
information 2.5 » information 2.2, information 2.7, information 2.0
technologies 4 » technologies _
4 information » 2 information, 1 information
des afrique » en afrique, de l'afrique
case le » case l, case la, case like
der do » der de, der db, der does

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

• Adding a wildcard symbol may retrieve word variants: technologies 4 information 2.5 der do communication case le developpement des afrique.*.