Perhaps you should try some spelling variations:
personal communication » interpersonal communication
des developpement » des developpements, de developpement, le developpement
developpement de » developpement des, developpement durable
des variation » does variation, de variation, der variation
typology des » typologie des, typologie der, typology _
2 personal » 1 personal, 4 personal
de afrique » de l'afrique, en afrique, l afrique
a des » a der, a das

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

• Adding a wildcard symbol may retrieve word variants: typology des variation _ 2 personal communication a des developpement de afrique.*.