Perhaps you should try some spelling variations:
der developpements » des developpements, deux developpements, de developpement
technologies case » technologies based, technologies can, technologies create
formulation needs » formulation des, information needs, formulation de
case formulation » basic formulation, chain formulation, space formulation
communications a » communications _, communications law, communications media
developpements l » developpements de, developpement il, developpement la
needs 2.5 » needs 4.5, needs 2.3, needs 2.8
l afrique » en afrique
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 case formulation needs 2.5 data communications a der developpements l afrique.*.