Perhaps you should try some spelling variations:
crisis communication » risk communication, mass communication
leur developpement » le developpement, deux developpements, de developpement
developpement de » developpement des, developpement durable
variation among » starvation among, formation among, variation von
communication 3 » communication _, communication a
des variation » does variation, de variation, der variation
de afrique » de l'afrique, en afrique, l afrique
3 leur » a leur, 3 lehr
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 among _ crisis communication 3 leur developpement de afrique.*.