Perhaps you should try some spelling variations:
day communication » way communication, daily communication, data communication
information need » information needs, information needed, information speed
de developpement » sme development
developpement de » developpement des, developpement durable
technologies 4 » technologies _
4 information » 2 information, 1 information
systems de » systemes de, systems der, systems die
de afrique » de l'afrique, en afrique, l afrique
need one » need more, need only

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

• Adding a wildcard symbol may retrieve word variants: technologies 4 information need one day communication systems de developpement de afrique.*.