Perhaps you should try some spelling variations:
crisis communication » risk communication, mass communication
information needs » information networks
developpement en » developpement et, developpement des, developpement de
technologies ct » technologies co, technologies art, technologies bit
ct information » cost information, get information, iot information
one crisis » core crisis, note crisis, pre crisis
needs one » need one, needs more

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

• Adding a wildcard symbol may retrieve word variants: technologies ct information needs one crisis communication media _ developpement en afrique.*.