Perhaps you should try some spelling variations:
oral communication » personal communication
des developpement » des developpements, de developpement, le developpement
developpement du » developpement de, developpement des, developpement et
based variation » based validation, based valuation, based vaccination
typology based » ontology based, biology based, ideology based
du fabrique » la fabrique
die oral » die moral, die orte
a des » a der, a das

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

• Adding a wildcard symbol may retrieve word variants: typology based variation _ die oral communication a des developpement du fabrique.*.