Perhaps you should try some spelling variations:
technologies sector » technology sector, technologies series
communication modes » communication model, communication des, communication media
sector information » sector integration, customer information, disaster information
information need » information needs, information needed, information speed
la communication » data communication, data communications
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 sector information need de la communication modes _ development a afrique.~.
• Adding a wildcard symbol may retrieve word variants: technologies sector information need de la communication modes _ development a afrique.*.