Perhaps you should try some spelling variations:
variation series » education series, action series, edition series
de developpement » sme development
developpement de » developpement des, developpement durable
typologie der » typologie des, ideologie der
der variation » de variation, does variation, die variation
de afrique » de l'afrique, en afrique, l afrique
series de » series d, series e, series new
de data » e data, wide data, de datos

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

• Adding a wildcard symbol may retrieve word variants: typologie der variation series de data communications _ de developpement de afrique.*.