Perhaps you should try some spelling variations:
crisis communication » risk communication, mass communication
education devices » education services, education offices, education service
de developpement » sme development
developpement en » developpement et, developpement des, developpement de
devices based » services based, indices based, series based
typologie de » typologie des, typologie der, typologien der
de education » de educacion, re education, de l'education
based crisis » shaped crisis, based risk, based civil
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: typologie de education devices based crisis communication a de developpement en afrique.*.