Perhaps you should try some spelling variations:
deux developpements » des developpements, de developpement, du developpement
information speed » information sheet, information needed, information needs
developpements l » developpements de, developpement il, developpement la
4 communication » 3 communication, 5.4 communication, de communication
technologies a » technologies _, technologies 4, technologies 2
a information » 2 information, 1 information
systems deux » systems der, systems deep, systems due
speed time » skewed time, speed line
l afrique » en afrique
time 4 » time _, time a, time 1

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

• Performing a fuzzy search may retrieve terms with similar spellings: technologies a information speed time 4 communication systems deux developpements l afrique.~.
• Adding a wildcard symbol may retrieve word variants: technologies a information speed time 4 communication systems deux developpements l afrique.*.