Perhaps you should try some spelling variations:
crisis communication » risk communication, mass communication
variation among » starvation among, formation among, variation von
developpement l » developpement il, developpement la, developpement de
des variation » does variation, de variation, der variation
among aids » among idp, among idps
l afrique » en afrique
a du » a de, a u, _ du
typologie » typologies, typology

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 des variation among aids crisis communication ((a du) OR (a d)) developpement l afrique.~".
• Adding a wildcard symbol may retrieve word variants: typologie des variation among aids crisis communication ((a du) OR (a d)) developpement l afrique.*.