Perhaps you should try some spelling variations:
face communication » voice communication, de communication, time communication
deux developpement » deux developpements, de developpement, du developpement
technologies plot » technologies pt, technologies part, technologies past
information costs » information contents, information centers, information content
plot information » plant information, iot information, about information
developpement du » developpement de, developpement des, developpement et
du afrique » en afrique, l afrique, de l'afrique
costs 2.5 » costs 2.3, costs 3.5, cost 2.5
2.5 face » 2.5 false, 15 face, 2.5 case

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

• Adding a wildcard symbol may retrieve word variants: technologies plot information costs 2.5 face communication _ deux developpement du afrique.*.