Perhaps you should try some spelling variations:
verbal communication » nonverbal communication, virtual communication, oral communication
das developpement » des developpements, de developpement, du developpement
separation among » separation using, starvation among, cooperation among
developpement du » developpement de, developpement des, developpement et
des separation » ree separation, order separation, post separation
typology des » typologie des, typologie der, typology _
du afrique » en afrique, l afrique, de l'afrique
media das » media data, medien das, medium das

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

• Adding a wildcard symbol may retrieve word variants: typology des separation among boys verbal communication media das developpement du afrique.*.