Perhaps you should try some spelling variations:
level communication » level communications, cell communication, event communication
technologies based » technologies used, technology based, technologies a
based information » basic information, based innovation, land information
la developpement » le developpement, de developpement, et developpement
developpement de » developpement des, developpement durable
information 19 » information 1.9, information 1, information 11
de afrique » de l'afrique, en afrique, l afrique
has level » gas levels, has ever, has never

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

• Adding a wildcard symbol may retrieve word variants: technologies based information 19 has level communication a la developpement de afrique.*.