Perhaps you should try some spelling variations:
personale communication » personal communication, personal communications, personal communicator
die developpement » de developpement, le developpement, du developpement
communication 3 » communication _, communication a
die personale » die personelle, de personal, die persona
6 variables » 3 variables, 2 variables, d variables
variables 2 » variables _, variables 4, variables 3
des afrique » en afrique, de l'afrique
typology 6 » typology _, typology 4.1
3 die » _ die

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

• Adding a wildcard symbol may retrieve word variants: typology 6 variables 2 die personale communication 3 die developpement des afrique.*.