Perhaps you should try some spelling variations:
data communication » data communications
technologies does » technologies de, technologies dans, technologies do
does information » des informations, dis information, users information
developpement de » developpement des, developpement durable
information 4.5 » information 4.2, information 4.3, information 4.1
de afrique » de l'afrique, en afrique, l afrique
does data » does cat
4.5 does » 4.5 die, 4 does, 4.5 das

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

• Adding a wildcard symbol may retrieve word variants: technologies does information 4.5 does data communication media _ developpement de afrique.*.