Perhaps you should try some spelling variations:
crisis communication » risk communication, mass communication
le developpement » de developpement, sme development
variation over » variation der, variation notes, variation des
de variation » der variation, die variation, does variation
typology de » typology _, typology 6, typology a
des afrique » en afrique, de l'afrique
das crisis » las crisis, ida's crisis, cars crisis
over das » cover das, oder das, over data

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

• Adding a wildcard symbol may retrieve word variants: typology de variation over das crisis communication _ le developpement des afrique.*.