Perhaps you should try some spelling variations:
information portals » information problems, information policies, information products
leur developpement » le developpement, deux developpements, de developpement
communication 2.4 » communication 3.3, communication 4, communication _
10 communication » 1 communication, de communication, 3 communication
developpement de » developpement des, developpement durable
technologies 4 » technologies _
4 information » 2 information, 1 information
2.4 leur » 2.4 les, 2.4 le

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

• Adding a wildcard symbol may retrieve word variants: technologies 4 information portals _ 10 communication 2.4 leur developpement de l'afrique.*.