Perhaps you should try some spelling variations:
downward communication » towards communication, aware communication, hazard communication
information chapter » information center, information centers, information exchanges
developpement en » developpement et, developpement des, developpement de
technologies do » technologies de, technologies box, technologies daf
l developpement » le developpement, de developpement, et developpement
do information » 2 information, 1 information, 3 information
a l » a la

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

• Adding a wildcard symbol may retrieve word variants: technologies do information chapter _ downward communication a l developpement en afrique.*.