Perhaps you should try some spelling variations:
technologies change » technologies changing, technological change, technologies chapter
communication modes » communication model, communication des, communication media
change information » chandos information, trade information
la communication » data communication, data communications
des afrique » en afrique, de l'afrique
about de » about due, about dead, about debt

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

• Performing a fuzzy search may retrieve terms with similar spellings: technologies change information about de la communication modes _ developpement des afrique.~.
• Adding a wildcard symbol may retrieve word variants: technologies change information about de la communication modes _ developpement des afrique.*.