Perhaps you should try some spelling variations:
downward communication » towards communication, aware communication, hazard communication
communication 3.3 » communication _, communication a, communication 1
der developpement » de developpement, des developpements, leur developpement
developpement en » developpement et, developpement des, developpement de
technologies 3 » technologies _, technologies 4, technologies 2
informal care » formal care, informal land
3 informal » _ informal, vs informal
3.3 der » 2.3 der, 4.3 der

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 3.3 der developpement en afrique.*.