Perhaps you should try some spelling variations:
communication network » communication networks, communications network, communications networks
technologies change » technologies changing, technological change, technologies chapter
change information » chandos information, trade information
clean development » human development, urban development
la communication » data communication, data communications
information a » information age, information about
network clean » network cloud, network area, network club
a de » a die, a der, a des

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 a de la communication network clean development _ afrique.~.
• Adding a wildcard symbol may retrieve word variants: technologies change information a de la communication network clean development _ afrique.*.