Perhaps you should try some spelling variations:
base communication » based communication, face communication, aware communication
du developpement » de developpement, le developpement, et developpement
developpement de » developpement des, developpement durable
communication 2 » communication _, communication a, communication 3
technologies 2 » technologies _, technologies 4
information 19 » information 1.9, information 1, information 11
when base » when bad, when face, when have
19 when » 9 when
2 du » 2 zu, 2 de, 2 eu

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

• Adding a wildcard symbol may retrieve word variants: technologies 2 information 19 when base communication 2 du developpement de l'afrique.*.