Perhaps you should try some spelling variations:
urban development » human development
development rural » development moral, development cultural, development general
information age » information storage, information access, information about
communication 4 » communication _, communication a, communication 3
technologies a » technologies _, technologies 4, technologies 2
a information » 2 information, 1 information
rural africa » rural area
4 urban » 2 urban

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

• Performing a fuzzy search may retrieve terms with similar spellings: technologies a information age _ mobile communication 4 urban development rural africa.~.
• Adding a wildcard symbol may retrieve word variants: technologies a information age _ mobile communication 4 urban development rural africa.*.