Perhaps you should try some spelling variations:
information problems » information providers, information systems, information policy
des developpements » deux developpements, de developpement, et developpements
developpements et » developpement et, developpement en, developpements de
problems 3 » problems _
et afrique » en afrique, l afrique
3 mass » a mass, 1 mass, 3 maps
a des » a der, a das

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

• Adding a wildcard symbol may retrieve word variants: technologies _ information problems 3 mass communication a des developpements et afrique.*.