Perhaps you should try some spelling variations:
communication service » communication services, communications services, communication series
technologies change » technologies changing, technological change, technologies chapter
change information » chandos information, trade information
information flow » information flows
service a » service _, service area
a afrique » l afrique, en afrique
flow de » flow der, flow e

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 flow de _ communication service a development a afrique.~.
• Adding a wildcard symbol may retrieve word variants: technologies change information flow de _ communication service a development a afrique.*.