Perhaps you should try some spelling variations:
communication costs » communication systems, communication efforts, communication skills
urban development » human development
la communication » _ communication, mass communication, oral communication
development can » development bank, development band, development case
technologies a » technologies _
information et » information act, information _, information need
a information » _ information, land information, award information
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 a information et de la communication costs urban development can afrique.~.
• Adding a wildcard symbol may retrieve word variants: technologies a information et de la communication costs urban development can afrique.*.