Perhaps you should try some spelling variations:
technologies science » technologies evidence, technology science, technologies accidents
communication system » communication systems, telecommunication system, communication series
science information » price information, change information, finance information
information need » information needs, information needed, information speed
la communication » data communication, data communications
development en » developpement en, development menu, development eco
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 science information need de la communication system a development en afrique.~.
• Adding a wildcard symbol may retrieve word variants: technologies science information need de la communication system a development en afrique.*.