Perhaps you should try some spelling variations:
crisis communication » risk communication, mass communication
leur developpement » le developpement, deux developpements, de developpement
developpement l » developpement il, developpement la, developpement de
typologie does » typologie des, typologie der, typologie cices
does variation » de variation, der variation, die variation
l afrique » en afrique

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

• Adding a wildcard symbol may retrieve word variants: typologie does variation _ aids crisis communication a leur developpement l afrique.*.