Perhaps you should try some spelling variations:
natural communication » cultural communication, material communication, mutual communication
technologies aids » technologies varies, technologies a, technologies de
information speed » information sheet, information needed, information needs
aids information » chandos information, series information
la developpement » le developpement, de developpement, et developpement
developpement en » developpement et, developpement des, developpement de
en africa » em africa, eu africa, en america

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

• Adding a wildcard symbol may retrieve word variants: technologies aids information speed _ natural communication a la developpement en africa.*.