Perhaps you should try some spelling variations:
crisis communication » risk communication, mass communication
des developpement » des developpements, de developpement, le developpement
technologies ist » technologien ist, technologies ict, technologies iot
developpement en » developpement et, developpement des, developpement de
ist information » iot information, first information, cost information
policy 19 » policy 1.9, policy 1, policy 10
a des » a der, a das

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

• Adding a wildcard symbol may retrieve word variants: technologies ist information policy 19 crisis communication a des developpement en afrique.*.