Perhaps you should try some spelling variations:
disaster communication » disaster compensation, disaster community
das developpements » des developpements, deux developpements, de developpement
developpements et » developpement et, developpement en, developpements de
technologien 1 » technologies 1, technologien _, technologien 4
information 20 » information 2.0, information 2, information 24
years disaster » hazards disaster
et afrique » en afrique, l afrique
20 years » 10 year
a das » 1 das, 2 das, 3 das

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

• Adding a wildcard symbol may retrieve word variants: technologien 1 information 20 years disaster communication a das developpements et afrique.*.