Perhaps you should try some spelling variations:
technologies private » technologies create, technology private, technologies drivers
information need » information needs, information needed, information speed
de development » e development, ce development, de developpement
systems de » systemes de, systems der, systems die
a afrique » l afrique, en afrique
need de » need le, need fide, need one

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

• Performing a fuzzy search may retrieve terms with similar spellings: technologies private information need de _ communication systems de development a afrique.~.
• Adding a wildcard symbol may retrieve word variants: technologies private information need de _ communication systems de development a afrique.*.