Perhaps you should try some spelling variations:
communication model » communication media
information needs » information networks
le development » e development, ce development, le developpement
development en » developpement en, development menu, development eco
needs de » needs men, needs one, needs _
model le » model led, model law, model 1
de risk » e risk, de risi, edge risk

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

• Adding a wildcard symbol may retrieve word variants: technologies _ information needs de risk communication model le development en afrique.*.