Perhaps you should try some spelling variations:
formation across » information across, variation across, variations across
de communication » mobile communication, online communication
de developpement » sme development
developpement de » developpement des, developpement durable
across crises » across classes
de afrique » de l'afrique, en afrique, l afrique
crises de » crises _, crises a, crises 2
costs de » costs _, costs 4, costs a

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

• Adding a wildcard symbol may retrieve word variants: technology _ formation across crises de communication costs de developpement de afrique.*.