Perhaps you should try some spelling variations:
data communication » data communications
developpement en » developpement et, developpement des, developpement de
mea variation » de variation, der variation, a variation
dr data » gdpr data, war data, our data
a du » a de, a u, _ du
apology » typology, topology

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "apology mea variation _ dr data communication ((a du) OR (a d)) developpement en afrique.~".
• Adding a wildcard symbol may retrieve word variants: apology mea variation _ dr data communication ((a du) OR (a d)) developpement en afrique.*.