Perhaps you should try some spelling variations:
personal communication » interpersonal communication
de developpement » sme development
communication 2 » communication _, communication a, communication 3
den personal » der personal, de personal, des personal
typologie 4 » topologie 4, typologies _, typologie et
4 variation » 2 variation, 4 validation
variation 6 » variation _, variations _, variation des
des afrique » en afrique, de l'afrique
6 den » _ den, 6 der, 6 de
2 de » 2 die, 2 der, _ de

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

• Adding a wildcard symbol may retrieve word variants: typologie 4 variation 6 den personal communication 2 de developpement des afrique.*.