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

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

• Adding a wildcard symbol may retrieve word variants: technologies co information need de oral communication costs de development 1 afrique.*.