Perhaps you should try some spelling variations:
communication services » telecommunications services
technologies debt » technologies new, technologies ict, technologies sector
debt information » student information, credit information, health information
information need » information needs, information based, information age
la communication » _ communication, mass communication, oral communication
development band » development bank, development banks, development aid

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

• Performing a fuzzy search may retrieve terms with similar spellings: technologies debt information need de la communication services _ development band afrique.~.
• Adding a wildcard symbol may retrieve word variants: technologies debt information need de la communication services _ development band afrique.*.