Perhaps you should try some spelling variations:
personal communication » interpersonal communication
et developpement » de developpement, le developpement, test development
developpement en » developpement et, developpement des, developpement de
des variation » does variation, de variation, der variation
das personal » des personal, des personals, haus personal
a et » a set, a net, a bet
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 _ das personal communication a et developpement en afrique.*.