Perhaps you should try some spelling variations:
der developpements » des developpements, deux developpements, de developpement
information needs » information networks
den communication » open communication, lean communication, when communication
developpements l » developpements de, developpement il, developpement la
needs 2.5 » needs 4.5, needs 2.3, needs 2.8
l afrique » en afrique
2.5 den » 2.5 der, 2.5 debt, 2.5 deep
a der » _ der, 2 der, 3 der

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

• Adding a wildcard symbol may retrieve word variants: technologies _ information needs 2.5 den communication a der developpements l afrique.*.