Perhaps you should try some spelling variations:
crisis communication » risk communication, mass communication
developpement en » developpement et, developpement des, developpement de
des variation » does variation, de variation, der variation
typology des » typologie des, typologie der, typology _
a des » a der
a das » 1 das, 2 das, 3 das

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

• Performing a fuzzy search may retrieve terms with similar spellings: typology des variation _ debt crisis communication ((a des) OR (a das)) developpement en afrique.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "typology des variation _ debt crisis communication ((a des) OR (a das)) developpement en afrique.*".