Perhaps you should try some spelling variations:
persona communication » personal communication, personal communications, personal communicator
die developpement » de developpement, le developpement, du developpement
communication 3 » communication _, communication a
cluster action » clusters actor, cluster detection
die persona » die person, de persona, die personale
des afrique » en afrique, de l'afrique
3 die » 2 die

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

• Adding a wildcard symbol may retrieve word variants: typology cluster action _ die persona communication 3 die developpement des afrique.*.