Perhaps you should try some spelling variations:
downward communication » towards communication, aware communication, hazard communication
informations costs » information costs, information cost, informations sur
developpement en » developpement et, developpement des, developpement de
3 developpement » de developpement, le developpement, et developpement
technologies 2 » technologies _, technologies 4
2 informations » 2 information, 4.2 informations, des informations
4.2 downward » 14.7 downward, 2.5 downward, 5.4 downward

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

• Adding a wildcard symbol may retrieve word variants: technologies 2 informations costs 4.2 downward communication _ 3 developpement en afrique.*.