Perhaps you should try some spelling variations:
5.4 communication » de communication, data communication
der developpement » de developpement, des developpements, leur developpement
developpement en » developpement et, developpement des, developpement de
communication 4 » communication _, communication a, communication 3
die variation » de variation, does variation, der variation
typology die » typology _, typology 4.1, typology 6
der 5.4 » gdpr 5.4
4 der » 2 der, 3 der, 1 der

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

• Adding a wildcard symbol may retrieve word variants: typology die variation _ der 5.4 communication 4 der developpement en afrique.*.