Perhaps you should try some spelling variations:
natural communication » cultural communication, material communication, mutual communication
leur developpement » le developpement, deux developpements, de developpement
information speed » information sheet, information needed, information needs
technologies a » technologies _, technologies 4, technologies 2
a information » 2 information, 1 information
des africa » does africa, yes africa, de africa
1 natural » 2 natural, 3 natural, 1 nature
speed 1 » speed 10, speed _, speed 4

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

• Adding a wildcard symbol may retrieve word variants: technologies a information speed 1 natural communication _ leur developpement des africa.*.