Perhaps you should try some spelling variations:
technologies summary » technology summary, technologies asymmetry, methodologies summary
summary information » primary information, asymmetry information, customary information
information case » information based, information can, information costs
developpement de » developpement des, developpement durable
communication 2 » communication _, communication a, communication 3
de afrique » de l'afrique, en afrique, l afrique
case 2 » case 1
2 mass » 25 mass, a mass, 1 mass

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

• Adding a wildcard symbol may retrieve word variants: technologies summary information case 2 mass communication 2 _ developpement de afrique.*.