Perhaps you should try some spelling variations:
communication skills » communication services, communication systems
technologies chief » technologies new, technologies annex, technologies could
clean development » human development, urban development, child development
information gaps » information gap, information flows, information needs
development can » development bank, development band, development case
skills clean » skills human

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

• Performing a fuzzy search may retrieve terms with similar spellings: technologies chief information gaps de _ communication skills clean development can afrique.~.
• Adding a wildcard symbol may retrieve word variants: technologies chief information gaps de _ communication skills clean development can afrique.*.