Perhaps you should try some spelling variations:
research institutions » research institute
institutions der » institution der, institutions de, institutions under
a developpement » au developpement, de developpement, le developpement
typologies des » typologie des, typologie der, typologien der
des variation » does variation, de variation, der variation
does research » aids research
des afrique » en afrique, de l'afrique
der a » der _, der e

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

• Adding a wildcard symbol may retrieve word variants: typologies des variation _ does research institutions der a developpement des afrique.*.