Perhaps you should try some spelling variations:
communication network » communication networks, communications network, communications networks
asian development » human development, urban development, clean development
technologies how » technologies new, technologies _, technologies a
information need » information needs, information based, information age
how information » new information, job information, _ information
network asian » network design, network area
development a » development _, development bank, development banks

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

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