Perhaps you should try some spelling variations:
personal communication » interpersonal communication
die developpement » de developpement, le developpement, du developpement
die personal » die personale, de personal, die persona
a variation » la variation, _ variation, 2 variation
des afrique » en afrique, de l'afrique
typology a » typology _, typology 6, theology a
a die » 2 die, 3 die, 1 die

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

• Adding a wildcard symbol may retrieve word variants: typology a variation _ die personal communication a die developpement des afrique.*.