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

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

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