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 en » developpement et, developpement des, developpement de
und separation » kind separation, land separation, unit separation
ideologie und » theologie und, okologie und
less crisis » las crisis
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 und separation using less crisis communication a et developpement en afrique.*.