Perhaps you should try some spelling variations:
mass communications » mass communication, data communications, crisis communications
variation series » education series, action series, edition series
de developpement » sme development
developpement de » developpement des, developpement durable
typologie de » typologie des, typologie der, typologien der
de variation » der variation, die variation, does variation
series based » services based, studies based, devices based
based mass » based mask, based glass, based case
de afrique » de l'afrique, en afrique, l afrique

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 based mass communications _ de developpement de afrique.*.