Perhaps you should try some spelling variations:
leur developpement » le developpement, deux developpements, de developpement
1.1 communication » 4.1 communication, 1.3 communication, 1.4 communication
developpement il » developpement de, developpement et, developpement du
technologies 1 » technologies _, technologies 4, technologies 2
contents a » contents 1, contents _, contents i
il afrique » l afrique, en afrique
a 1.1 » i 1.1, a 4.1, a 6.1

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

• Adding a wildcard symbol may retrieve word variants: technologies 1 information contents a 1.1 communication _ leur developpement il afrique.*.