Perhaps you should try some spelling variations:
downward communication » towards communication, aware communication, hazard communication
communication 7.1 » communication 4.1, communication 1, communication 3.3
developpement en » developpement et, developpement des, developpement de
a developpement » au developpement, de developpement, le developpement
technologies 3 » technologies _, technologies 4, technologies 2
informal care » formal care, informal land
3 informal » _ informal, vs informal
7.1 a » 2.1 a, 7.1 _, 3.1 a

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

• Adding a wildcard symbol may retrieve word variants: technologies 3 informal care _ downward communication 7.1 a developpement en afrique.*.