Perhaps you should try some spelling variations:
der developpement » de developpement, des developpements, leur developpement
formulation where » formulation over, formulation des, calculation where
communications a » communications _, communications law, communications media
developpement de » developpement des, developpement durable
3 formulation » _ formulation, _ formulating
technology 3 » technology _, technology 1, technology 4
de afrique » de l'afrique, en afrique, l afrique
where eo » where do, where you, where few
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: technology 3 formulation where eo data communications a der developpement de afrique.*.