Perhaps you should try some spelling variations:
crisis communication » risk communication, mass communication
de developpement » sme development
developpement de » developpement des, developpement durable
apologien der » typologien der, apologie des, ideologien der
der variation » de variation, does variation, die variation
bus crisis » bust crisis, us crisis, las 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: apologien der variation _ bus crisis communication a de developpement de l'afrique.*.