Perhaps you should try some spelling variations:
crisis communication » risk communication, mass communication
developpement de » developpement des, developpement durable
de variations » de variation, 1er variations, ier variations
typologie de » typologie des, typologie der, typologien der
der crisis » der krisis, de crisis, under crisis
de afrique » de l'afrique, en afrique, l afrique
a das » 1 das, 2 das, _ das
3 das » 1 das, 2 das

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 de variations _ der crisis communication ((a das) OR (3 das)) developpement de afrique.~".
• Adding a wildcard symbol may retrieve word variants: typologie de variations _ der crisis communication ((a das) OR (3 das)) developpement de afrique.*.