Perhaps you should try some spelling variations:
technologies change » technological change, technology change, technological changes
communication costs » communication systems, communication efforts, communication skills
change information » trade information, chief information
risk communication » _ communication, mobile communication
per developpement » de developpement, power development, spur development
information gap » information _, information flow
costs per » cost per
gap does » far does

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 gap does risk communication costs per developpement _ afrique.~.
• Adding a wildcard symbol may retrieve word variants: technologies change information gap does risk communication costs per developpement _ afrique.*.