Perhaps you should try some spelling variations:
verbal communication » nonverbal communication, virtual communication, oral communication
de developpement » sme development
developpement en » developpement et, developpement des, developpement de
des variation » does variation, de variation, der variation
variation de » variation des, variation der, variation due
der verbal » des verbal, der verbalen, der verband
de der » ende der, code der, de dejar
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 de der verbal communication a de developpement en afrique.*.