Perhaps you should try some spelling variations:
communication model » communication media
technologies key » technologies any, technologies know, technologies _
key information » energy information
information et » l'information et, information 2, information 1
le development » e development, ce development, le developpement
development en » developpement en, development menu, development eco
model le » model led, model law, model 1

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

• Performing a fuzzy search may retrieve terms with similar spellings: technologies key information et de _ communication model le development en afrique.~.
• Adding a wildcard symbol may retrieve word variants: technologies key information et de _ communication model le development en afrique.*.