Perhaps you should try some spelling variations:
crisis communication » risk communication, mass communication
developpement et » developpement des, developpement de, development east
des variations » les variations, does variation, its variations
its crisis » aids crisis, its critics, las crisis
et afrique » en afrique, l afrique
a aus » _ aus, a auf, i aus
a au » a auf, a bau, a a
typologie » typologies, typology

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

• Performing a fuzzy search may retrieve terms with similar spellings: typologie des variations _ its crisis communication ((a au) OR (a aus)) developpement et afrique.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "typologie des variations _ its crisis communication ((a au) OR (a aus)) developpement et afrique.*".