Perhaps you should try some spelling variations:
technologies energy » technologies new, technologies any
communication modes » communication costs, communication media, communication methods
information gaps » information gap, information flows, information needs
la communication » _ communication, mass communication, oral communication
de development » e development, de developpement, code development
development a » development _, development bank, development banks
modes de » modes _, does de

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

• Performing a fuzzy search may retrieve terms with similar spellings: technologies energy information gaps de la communication modes de development a afrique.~.
• Adding a wildcard symbol may retrieve word variants: technologies energy information gaps de la communication modes de development a afrique.*.