Perhaps you should try some spelling variations:
base communication » based communication, face communication, aware communication
et developpement » de developpement, le developpement, test development
developpement de » developpement des, developpement durable
communication 2 » communication _, communication a, communication 3
technologies 2 » technologies _, technologies 4
information 2 » information 3
when base » when bad, when face, when have
2 when » 3 when, 4 when, 1 when
2 et » 2 set, 12 et, 2 ets

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

• Adding a wildcard symbol may retrieve word variants: technologies 2 information 2 when base communication 2 et developpement de l'afrique.*.