Perhaps you should try some spelling variations:
communication medical » communication media, communications media, communication medium
verbal communication » nonverbal communication, virtual communication, oral communication
trade developpement » trade developement, trade development, de developpement
developpement de » developpement des, developpement durable
des variation » does variation, de variation, der variation
medical trade » medical travel, medical care, medical teams
des verbal » des verbalen, des verbs, models verbal
de afrique » de l'afrique, en afrique, l afrique
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 _ des verbal communication medical trade developpement de afrique.*.