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
du developpement » de developpement, le developpement, et developpement
des variation » does variation, de variation, der variation
variation 2 » variation 27, variation _, variation 6
des afrique » en afrique, de l'afrique
der postal » der apostel, der post, der posten
2 der » _ 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 2 der postal communication 23.5 du developpement des afrique.*.