Perhaps you should try some spelling variations:
battery communication » better communication, matter communication, master communication
des developpement » des developpements, de developpement, le developpement
information data » information d820, information database, information databases
technologies de » technologies _, technologies 4, technologies 2
developpement l » developpement il, developpement la, developpement de
de information » die information, de informacion, e information
2.3 battery » 2.1 battery, 2.2 battery, 2.4 battery
l afrique » en afrique
data 2.3 » data 2.2

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

• Adding a wildcard symbol may retrieve word variants: technologies de information data 2.3 battery communication _ des developpement l afrique.*.