Perhaps you should try some spelling variations:
crisis communication » risk communication, mass communication
minor irrigation » micro irrigation, minor variation, runoff irrigation
au developpement » du developpement, de developpement, le developpement
developpement et » developpement des, developpement de, development east
typologie minor » typologie eines, typologie einiger
les crisis » las crisis, les crises, its crisis
et afrique » en afrique, l afrique
media au » medias au, media a, media ai

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

• Adding a wildcard symbol may retrieve word variants: typologie minor irrigation _ les crisis communication media au developpement et afrique.*.