Perhaps you should try some spelling variations:
postal communication » post communication, oral communication, visual communication
communication 23.5 » communication 23.3, communication 24.5, communication 2.3.3
et developpement » de developpement, le developpement, test development
des variation » does variation, de variation, der variation
variation 6 » variation _, variations _, variation des
des afrique » en afrique, de l'afrique
der postal » der apostel, der post, der posten
23.5 et » 2.3.5 eu
6 der » _ der, 2 der, 3 der
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 6 der postal communication 23.5 et developpement des afrique.*.