Perhaps you should try some spelling variations:
die developpement » de developpement, le developpement, du developpement
developpement de » developpement des, developpement durable
variation among » starvation among, formation among, variation von
communication 2 » communication _, communication a, communication 3
der variation » de variation, does variation, die variation
typology der » typologie der, typologien der, typologie des
among users » among ers, among peers, among masters
users mass » users case

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

• Adding a wildcard symbol may retrieve word variants: typology der variation among users mass communication 2 die developpement de l'afrique.*.