Perhaps you should try some spelling variations:
data communication » data communications
et developpement » de developpement, le developpement, test development
developpement de » developpement des, developpement durable
variation loose » variation ohne, variation across
der variation » de variation, does variation, die variation
de afrique » de l'afrique, en afrique, l afrique

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

• Adding a wildcard symbol may retrieve word variants: okonomie der variation loose monetary data communication _ et developpement de afrique.*.