Perhaps you should try some spelling variations:
personal communication » interpersonal communication
de developpement » sme development
developpement de » developpement des, developpement durable
variation over » variation der, variation notes, variation des
des variation » does variation, de variation, der variation
de personal » der personal, des personal, de persona
de afrique » de l'afrique, en afrique, l afrique
a de » a die, a der, a des
typologie » typologies, typology

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

• Adding a wildcard symbol may retrieve word variants: typologie des variation over de personal communication a de developpement de afrique.*.