Perhaps you should try some spelling variations:
oral communication » personal communication
information need » information needs, information needed, information speed
development lin » development li, development lid, development lie
technologies 4 » technologies _
de development » e development, ce development, de developpement
4 information » 2 information, 1 information
lin afrique » en afrique, l afrique
costs de » costs _, costs 4, costs a
need le » need one
le oral » new oral

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

• Adding a wildcard symbol may retrieve word variants: technologies 4 information need le oral communication costs de development lin afrique.*.