Perhaps you should try some spelling variations:
crisis communication » risk communication, mass communication
separation using » operation using, separation among, separation und
developpement en » developpement et, developpement des, developpement de
l developpement » le developpement, de developpement, et developpement
ree separation » rate separation, grade separation, order separation
ideologie ree » ideologie der, ideologie des, ideologie de
files crisis » fires crisis, finks crisis, toilet crisis
using files » using five, using rules, using sales
a l » a la

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

• Adding a wildcard symbol may retrieve word variants: ideologie ree separation using files crisis communication a l developpement en afrique.*.