Perhaps you should try some spelling variations:
verbal communication » nonverbal communication, virtual communication, oral communication
based vaccination » based validation, based variation, measles vaccination
der developpement » de developpement, des developpements, leur developpement
developpement du » developpement de, developpement des, developpement et
typologie based » typology based, ontologies based
vaccination a » vaccination _
du fabrique » la fabrique
die verbal » die verbale, des verbal, pre verbal
a die » 2 die, 3 die, _ die
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: typologie based vaccination a die verbal communication a der developpement du fabrique.*.