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