Perhaps you should try some spelling variations:
personal communication » interpersonal communication
de developpement » sme development
developpement en » developpement et, developpement des, developpement de
communication 2 » communication _, communication a, communication 3
variation oder » variation der, variation over, variation des
den personal » der personal, de personal, des personal
typologie 4 » topologie 4, typologies _, typologie et
4 variation » 2 variation, 4 validation
oder den » oder der, wider den, uber den
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 oder den personal communication 2 de developpement en afrique.*.