Perhaps you should try some spelling variations:
causes communication » mass communication, crisis communication, assess communication
variation series » education series, action series, edition series
de developpement » sme development
developpement en » developpement et, developpement des, developpement de
series degats » series data
degats causes » deaths causes, debt causes, des causes
typologie de » typologie des, typologie der, typologien der
de variation » der variation, die variation, does variation
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 variation series degats causes communication a de developpement en afrique.*.