Perhaps you should try some spelling variations:
oral communication » personal communication
information needs » information networks
technologies co » technologies _, technologies 4, technologies 2
development lid » development led, development li, development lie
co information » do information, 2 information, 1 information
4 development » 2 development, 4 developing
lid afrique » l afrique
needs one » need one, needs more
one oral » one moral, one rural, one oil
costs 4 » costs _, costs a, costs 4.2

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

• Adding a wildcard symbol may retrieve word variants: technologies co information needs one oral communication costs 4 development lid afrique.*.