Perhaps you should try some spelling variations:
verbal communication » nonverbal communication, virtual communication, oral communication
der developpement » de developpement, des developpements, leur developpement
communication 1 » communication _, communication a, communication 3
variation des » variation _, variation 6, variation series
first verbal » first global, first deal, first urban
des afrique » en afrique, de l'afrique
des first » its first, his first, vs first
1 der » _ der, 2 der, 3 der

You may be able to get more results by adjusting your search query.

• Adding a wildcard symbol may retrieve word variants: typology _ variation des first verbal communication 1 der developpement des afrique.*.