Perhaps you should try some spelling variations:
communications systems » communication systems, communications system, communication system
how developpement » how development, ou developpement, de developpement
developpement l » developpement il, developpement la, developpement de
information 13 » information 1.3, information 3, information 1
systems how » system how
does data » does cat
l afrique » en afrique
13 does » 10 does

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

• Adding a wildcard symbol may retrieve word variants: technologies _ information 13 does data communications systems how developpement l afrique.*.