Perhaps you should try some spelling variations:
leur developpement » le developpement, deux developpements, de developpement
information speed » information sheet, information needed, information needs
4 communication » 3 communication, 5.4 communication, de communication
developpement l » developpement il, developpement la, developpement de
systems leur » systems lens, systems level, systems legal
speed lines » speed limits
l afrique » en afrique
lines 4 » lines _, lines a

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

• Adding a wildcard symbol may retrieve word variants: technologies _ information speed lines 4 communication systems leur developpement l afrique.*.