Perhaps you should try some spelling variations:
lange developpement » le developpement, land development, de developpement
sign communication » open communication, human communication, 3 communication
developpement de » developpement des, developpement durable
technologies 10 » technologies 1, technologies 11, technologies 12
10 information » 1 information, 2 information, 3 information
about race » about care
de afrique » de l'afrique, en afrique, l afrique
a lange » aa lange, a large, a lage

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

• Adding a wildcard symbol may retrieve word variants: technologies 10 information about race sign communication a lange developpement de afrique.*.