Perhaps you should try some spelling variations:
communication series » communication services, communication systems, communication skills
data communication » data communications
technologies 2 » technologies _, technologies 4
information 11 » information 1, information 14, information 10.1
des afrique » en afrique, de l'afrique
does data » does cat
11 does » 10 does, 13 does, 1 does

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

• Adding a wildcard symbol may retrieve word variants: technologies 2 information 11 does data communication series _ developpement des afrique.*.