Perhaps you should try some spelling variations:
system developpement » system development, systems development, system developments
power communication » your communication, fiber communication, better communication
communication model » communication media
developpement l » developpement il, developpement la, developpement de
technologies 1 » technologies _, technologies 4, technologies 2
information 2 » information 3
model system » mail system
have power » wave power, have poorer, leave power
l afrique » en afrique
2 have » _ have

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

• Adding a wildcard symbol may retrieve word variants: technologies 1 information 2 have power communication model system developpement l afrique.*.