Perhaps you should try some spelling variations:
volkes communications » les communications, vos communications, zones communications
communications series » communication series, communications services, communication services
developpement de » developpement des, developpement durable
a developpement » au developpement, de developpement, le developpement
theologie der » ideologie der, typologie der, theorie der
der variation » de variation, does variation, die variation
de afrique » de l'afrique, en afrique, l afrique
series a » series _, series 1, series 2

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

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