Perhaps you should try some spelling variations:
crisis communication » risk communication, mass communication
minor irrigation » micro irrigation, minor variation, runoff irrigation
de developpement » sme development
typologie minor » typologie eines, typologie einiger
irrigation des » irrigation les, irrigation dams, irrigation fees
des afrique » en afrique, de l'afrique
e crisis » de crisis, eu crisis, 1 crisis
des e » des _, des 3
a de » a die, a der, a des

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

• Adding a wildcard symbol may retrieve word variants: typologie minor irrigation des e crisis communication a de developpement des afrique.*.