Perhaps you should try some spelling variations:
improve information » improved information, improving information, improve innovation
information need » information needs, information needed, information speed
a afrique » l afrique, en afrique
need de » need le, need fide, need one
costs a » costs _, costs 4
technologies » technology

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

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