Perhaps you should try some spelling variations:
crisis communication » risk communication, mass communication
communication model » communication media
un developpement » en developpement, de developpement, le developpement
technologie 2 » technologies 2, technologie c, technologie 3
des afrique » en afrique, de l'afrique
die crisis » die krisis, de crisis, deep crisis
model un » modell und, model use, model 1

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

• Adding a wildcard symbol may retrieve word variants: technologie 2 information _ die crisis communication model un developpement des afrique.*.