Perhaps you should try some spelling variations:
communication skills » communication services, communication systems
clean development » human development, urban development, child development
can information » care information, change information, fund information
technology can » technology gap, technology change, technology park
development a » development _, development bank, development banks
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: technology can information _ does mobile communication skills clean development a afrique.~.
• Adding a wildcard symbol may retrieve word variants: technology can information _ does mobile communication skills clean development a afrique.*.