Perhaps you should try some spelling variations:
communication modern » communication model, communication modes, communication mode
urban development » human development
development can » development case, development co, development canada
technologies 2 » technologies _, technologies 4
can africa » urban africa
flows a » flows _, flows 1, flows 2

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

• Performing a fuzzy search may retrieve terms with similar spellings: technologies 2 information flows a _ communication modern urban development can africa.~.
• Adding a wildcard symbol may retrieve word variants: technologies 2 information flows a _ communication modern urban development can africa.*.