Perhaps you should try some spelling variations:
technologies sector » technology sector, technologies series
sector information » sector integration, customer information, disaster information
oral communication » personal communication
information need » information needs, information needed, information speed
developpement de » developpement des, developpement durable
a developpement » au developpement, de developpement, le developpement
de afrique » de l'afrique, en afrique, l afrique
need de » need le, need fide, need one
de oral » de otras, new oral
costs a » costs _, costs 4

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 oral communication costs a developpement de afrique.~.
• Adding a wildcard symbol may retrieve word variants: technologies sector information need de oral communication costs a developpement de afrique.*.