Perhaps you should try some spelling variations:
personal communication » interpersonal communication
de developpement » sme development
die personal » die personale, de personal, die persona
a variables » a variable, 3 variables, 2 variables
des afrique » en afrique, de l'afrique
typology a » typology _, typology 6, theology a
a de » a die, a der, a des

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

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