Perhaps you should try some spelling variations:
crisis communication » risk communication, mass communication
separation using » operation using, separation among, separation und
et developpement » de developpement, le developpement, test development
developpement l » developpement il, developpement la, developpement de
der separation » order separation, air separation, ree separation
ideologie der » ideologie und, typologie der
idp crisis » de crisis
using idp » using idd, using ip, using idaps
l afrique » en afrique
a et » a set, a net, a bet

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

• Adding a wildcard symbol may retrieve word variants: ideologie der separation using idp crisis communication a et developpement l afrique.*.