Perhaps you should try some spelling variations:
crisis communication » risk communication, mass communication
derveloppement des » developpement des, developpement de, developpement et
transformation a » transformation _
a derveloppement » au developpement, a development, de developpement
des africa » does africa, yes africa, de africa
de crisis » debt crisis, pre crisis, age crisis
media a » media _, media 1, media 3
a de » a die, a der, a des

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

• Adding a wildcard symbol may retrieve word variants: technologies _ transformation a de crisis communication media a derveloppement des africa.*.