Perhaps you should try some spelling variations:
technologies based » technologies used, technology based, technologies a
der developpements » des developpements, deux developpements, de developpement
based formulation » basic formulation, case formulation, based simulation
eu communication » ec communication, et communication, de communication
developpements l » developpements de, developpement il, developpement la
formulation du » formulation de, formulation des, formulation _
l afrique » en afrique
du 3.5 » de 3.5
3.5 eu » 7.5 eu, 3.5 bu, 5.5 eu
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 based formulation du 3.5 eu communication a der developpements l afrique.*.