Perhaps you should try some spelling variations:
optic communication » optical communications, public communication, device communication
information needs » information networks
de developpement » sme development
developpement de » developpement des, developpement durable
technologies 1 » technologies _, technologies 4, technologies 2
de afrique » de l'afrique, en afrique, l afrique
needs 4.5 » needs 4.3

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

• Performing a fuzzy search may retrieve terms with similar spellings: technologies 1 information needs 4.5 optic communication _ de developpement de afrique.~.
• Adding a wildcard symbol may retrieve word variants: technologies 1 information needs 4.5 optic communication _ de developpement de afrique.*.