Perhaps you should try some spelling variations:
personal communication » interpersonal communication
leur developpement » le developpement, deux developpements, de developpement
developpement de » developpement des, developpement durable
typologies des » typologie des, typologie der, typologien der
rates personal » states personal, names personal, roles personal
des variation » does variation, de variation, der variation
de afrique » de l'afrique, en afrique, l afrique

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

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