Perhaps you should try some spelling variations:
trade developement » trade development, trade developments, trades development
formulation where » formulation over, formulation des, calculation where
la communication » data communication, data communications
developement de » developpement de, developpement des, developpements de
technologies a » technologies _, technologies 4, technologies 2
a formulation » la formulation, _ formulation, 3 formulation
where does » where do
de afrique » de l'afrique, en afrique, l afrique
does la » does lac, does law, does a

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

• Adding a wildcard symbol may retrieve word variants: technologies a formulation where does la communication _ trade developement de afrique.*.