Perhaps you should try some spelling variations:
information problems » information providers, information systems, information policy
leur developpement » le developpement, deux developpements, de developpement
communication 3.3 » communication _, communication a, communication 1
developpement en » developpement et, developpement des, developpement de
3 communication » 4 communication, de communication, data communication
problems 6 » problems _, problems 3, problems a
3.3 leur » 3.3 les, 3.3 le, 3.3 euro

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

• Adding a wildcard symbol may retrieve word variants: technologies _ information problems 6 3 communication 3.3 leur developpement en afrique.*.