Perhaps you should try some spelling variations:
information portals » information problems, information policies, information products
der developpements » des developpements, deux developpements, de developpement
communication 8.1 » communications 8.1, communication 4.1, communication 7.1
developpements de » developpement de, developpement des, developpement du
11 communication » 1.1 communication, 1 communication, 10 communication
de afrique » de l'afrique, en afrique, l afrique
portals 9 » portals _, portals 5, portals 6

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 11 communication 8.1 der developpements de afrique.*.