Perhaps you should try some spelling variations:
oral communication » personal communication
information needs » information networks
technologies 4 » technologies _
development en » developpement en, development menu, development eco
4 information » 2 information, 1 information
needs one » need one, needs more
one oral » one moral, one rural, one oil
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 needs one oral communication costs a development en afrique.*.