Perhaps you should try some spelling variations:
information portals » information problems, information policies, information products
communication 6.5.1 » communication 2.5.1, communication 3.5.1, communication 7.5.1
der developpement » de developpement, des developpements, leur developpement
10 communication » 1 communication, de communication, 3 communication
developpement l » developpement il, developpement la, developpement de
portals 9 » portals _, portals 5, portals 6
6.5.1 der » 3.5.1 der, 5.5.1 der, 7.5.1 der
l afrique » en afrique
9 10 » _ 10, 9 11

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

• Adding a wildcard symbol may retrieve word variants: technologies _ information portals 9 10 communication 6.5.1 der developpement l afrique.*.