Perhaps you should try some spelling variations:
crisis communication » risk communication, mass communication
separation index » evaluation index, education index, selection index
developpement l » developpement il, developpement la, developpement de
der separation » order separation, air separation, ree separation
ideologie der » ideologie und, typologie der
leo crisis » peso crisis, de crisis, eu crisis
index leo » index des, index der, index aao
l afrique » en afrique

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

• Performing a fuzzy search may retrieve terms with similar spellings: ideologie der separation index leo crisis communication ((a l) OR (a la)) developpement l afrique.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ideologie der separation index leo crisis communication ((a l) OR (a la)) developpement l afrique.*".