Perhaps you should try some spelling variations:
areas developpement » area development, de developpement, le developpement
oral communication » personal communication
developpement en » developpement et, developpement des, developpement de
communication 4 » communication _, communication a, communication 3
radiation data » variation data, radiation damage, sanitation data
des radiation » dose radiation, _ radiation, 2.1 radiation
data debate » data debatte, damage debate
debate oral » debate moral, debat moral, debate global
4 areas » 1 areas, 2 areas, 4 areal
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 radiation data debate oral communication 4 areas developpement en afrique.*.