Perhaps you should try some spelling variations:
oral communication » personal communication
information need » information needs, information needed, information speed
technologies 4 » technologies _
4 information » 2 information, 1 information
development l » development li, development 1, development law
l afrique » en afrique
need new » need one, led new, need le
new oral » new moral, knew moral, new rural
costs a » costs _, costs 4

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 new oral communication costs a development l afrique.*.