Perhaps you should try some spelling variations:
crisis communication » risk communication, mass communication
de developpement » sme development
developpement en » developpement et, developpement des, developpement de
typologie minor » typologie eines, typologie einiger
minor variation » minor irrigation, color variation, gender variation
17 crisis » 19 crisis, 1 crisis, 11 crisis
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 variation _ 17 crisis communication a de developpement en afrique.*.