Perhaps you should try some spelling variations:
communication costs » communication systems, communication efforts, communication skills
technologies road » technologies could, technologies a, technology road
urban development » human development
road information » global information, _ information, debt information
information age » information gaps, information laws, information _
development can » development bank, development band, development case
costs urban » cost urban, most urban, crisis 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 road information age edge _ communication costs urban development can afrique.~.
• Adding a wildcard symbol may retrieve word variants: technologies road information age edge _ communication costs urban development can afrique.*.