Perhaps you should try some spelling variations:
crisis communication » risk communication, mass communication
add developpement » de developpement, du developpement, au developpement
developpement de » developpement des, developpement durable
communication 1 » communication _, communication a, communication 3
des variation » does variation, de variation, der variation
der crisis » der krisis, de crisis, under crisis
de afrique » de l'afrique, en afrique, l afrique
1 add » _ add

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: "(typologie OR typologies) des variation _ der crisis communication 1 add developpement de afrique.~".
• Adding a wildcard symbol may retrieve word variants: (typologie OR typologies) des variation _ der crisis communication 1 add developpement de afrique.*.