Perhaps you should try some spelling variations:
data communication » data communications
technologies key » technologies any, technologies know, technologies _
developpement la » developpement de, developpement et, developpement du
key information » energy information
information 3.1 » information 3.2, information 3.4, information 3.3
la afrique » l afrique, la fabrique, en afrique
does data » does cat
3.1 does » 4.1 does, 2.3.1 does, 13.2 does

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

• Adding a wildcard symbol may retrieve word variants: technologies key information 3.1 does data communication media _ developpement la afrique.*.