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