Perhaps you should try some spelling variations:
personal communication » interpersonal communication
du developpement » de developpement, le developpement, et developpement
alma variation » la variation, areal variation, a variation
typology alma » typology a
die personal » die personale, de personal, die persona
des afrique » en afrique, de l'afrique
a du » a d, a de, a u

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

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