Perhaps you should try some spelling variations:
information problems » information providers, information systems, information policy
des developpement » des developpements, de developpement, le developpement
developpement la » developpement de, developpement et, developpement du
3 communication » 4 communication, de communication, data communication
problems 13.1 » problems 1.3.1, problems 13.15, problems 3.1
la afrique » l afrique, la fabrique, en afrique
costs des » costs fees
13.1 3 » 13.1 _, 13.1 a, 13.1 引

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

• Adding a wildcard symbol may retrieve word variants: technologies _ information problems 13.1 3 communication costs des developpement la afrique.*.