Perhaps you should try some spelling variations:
communication modes » communication model, communication des, communication media
technologies annex » technologies any, technology annex, technologies affect
annex information » index information, channels information, syntax information
information need » information needs, information needed, information speed
development en » developpement en, development menu, development eco
need de » need le, need fide, need one
de mass » de masse, de mais, de masa

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

• Adding a wildcard symbol may retrieve word variants: technologies annex information need de mass communication modes _ development en afrique.*.