Perhaps you should try some spelling variations:
technological changes » technological change, technological advances
changes information » change information, channels information, chandos information
la communication » data communication, data communications
a afrique » l afrique, en afrique
about de » about due, about dead, about debt
media a » media _, media 1, media 3

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

• Performing a fuzzy search may retrieve terms with similar spellings: technological changes information about de la communication media a development a afrique.~.
• Adding a wildcard symbol may retrieve word variants: technological changes information about de la communication media a development a afrique.*.