Perhaps you should try some spelling variations:
communications a » communications _, communications law, communications media
de developpement » sme development
developpement de » developpement des, developpement durable
variation bei » variation des, variation der, variation _
den data » dan data, dn data, open data
bei den » bei der
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: typologies _ variation bei den data communications a de developpement de l'afrique.*.