Perhaps you should try some spelling variations:
research implications » research institutions
des developpement » des developpements, de developpement, le developpement
typologien does » typologie des, typologien der, typologie der
does variation » de variation, der variation, die variation
implications a » implications _, implications 5, implications 7
variation bei » variation des, variation der, variation _
does research » aids research
des afrique » en afrique, de l'afrique
bei does » being does, behn does, bei der
a des » a der, a das

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

• Adding a wildcard symbol may retrieve word variants: typologien does variation bei does research implications a des developpement des afrique.*.