Perhaps you should try some spelling variations:
technologies 3.1 » technologies 2.1, technologies 3.2, technologies _
information 18.2 » information 1.2, information 15.2, information 11.2
de communication » mobile communication, online communication
de developpement » sme development
developpement en » developpement et, developpement des, developpement de
18.2 does » 13.2 does, 18.3 does, 12 does
media de » media die, media der, media diet
does de » does debt

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

• Adding a wildcard symbol may retrieve word variants: technologies 3.1 information 18.2 does de communication media de developpement en afrique.*.