Perhaps you should try some spelling variations:
urban development » human development
information case » information based, information can, information costs
development can » development case, development co, development canada
efforts urban » effects urban, efforts dean, efforts real
can africa » urban africa
case d » case 1, case 2, case 3
d mass » _ mass, a mass, 1 mass

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

• Performing a fuzzy search may retrieve terms with similar spellings: technology _ information case d mass communication efforts urban development can africa.~.
• Adding a wildcard symbol may retrieve word variants: technology _ information case d mass communication efforts urban development can africa.*.