Perhaps you should try some spelling variations:
communication across » communication cross, communicating across, communication about
moral communication » oral communication, global communication, verbal communication
grade developpement » trade developement, trade development, de developpement
developpement de » developpement des, developpement durable
des variation » does variation, de variation, der variation
across grade » across gender
etc moral » c moral, ethics moral
typologie » typologies, typology

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

• Adding a wildcard symbol may retrieve word variants: typologie des variation _ etc moral communication across grade developpement de l'afrique.*.