Perhaps you should try some spelling variations:
verbal communication » nonverbal communication, virtual communication, oral communication
variation housing » variation using, migration housing, variations during
der developpement » de developpement, des developpements, leur developpement
developpement de » developpement des, developpement durable
typologien de » typologien der, typologie des, typologie der
de variation » der variation, die variation, does variation
housing debt » housing dead, housing deep, rising debt
debt verbal » des verbal
a 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: typologien de variation housing debt verbal communication a der developpement de l'afrique.*.