Perhaps you should try some spelling variations:
technologies summary » technology summary, technologies asymmetry, methodologies summary
summary information » primary information, asymmetry information, customary information
information costs » information contents, information centers, information content
communication 2 » communication _, communication a, communication 3
developpement l » developpement il, developpement la, developpement de
l afrique » en afrique
costs 2 » costs 20, costs _, costs 4
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 costs 2 mass communication 2 _ developpement l afrique.*.