Perhaps you should try some spelling variations:
crisis communication » risk communication, mass communication
information portals » information problems, information policies, information products
das developpement » des developpements, de developpement, du developpement
developpement du » developpement de, developpement des, developpement et
technologies 1 » technologies _, technologies 4, technologies 2
du afrique » en afrique, l afrique, de l'afrique
portals 3 » portals _, portal 3, portals 5
3 crisis » 1 crisis, 19 crisis
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: technologies 1 information portals 3 crisis communication a das developpement du afrique.*.