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 en » developpement et, developpement des, developpement de
4 developpement » de developpement, le developpement, et developpement
need de » need le, need fide, need one
de oral » de otras, new oral
costs 4 » costs _, costs a, costs 4.2

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 4 developpement en afrique.~.
• Adding a wildcard symbol may retrieve word variants: technologies sector information need de oral communication costs 4 developpement en afrique.*.