Perhaps you should try some spelling variations:
communication model » communication media
technologies dans » technologies can, technologies any, technologies daf
dans information » dns information, dis information, does information
le developpement » de developpement, sme development
developpement en » developpement et, developpement des, developpement de
about dead » about bad, about debt
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 dans information about dead _ communication model le developpement en afrique.~.
• Adding a wildcard symbol may retrieve word variants: technologies dans information about dead _ communication model le developpement en afrique.*.