Perhaps you should try some spelling variations:
verbal communication » nonverbal communication, virtual communication, oral communication
der developpement » de developpement, des developpements, leur developpement
separation among » separation using, starvation among, cooperation among
developpement de » developpement des, developpement durable
post separation » waste separation, asset separation, first separation
typology post » typology how
de afrique » de l'afrique, en afrique, l afrique
media der » media order, media under, mediale der

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

• Adding a wildcard symbol may retrieve word variants: typology post separation among boys verbal communication media der developpement de afrique.*.