Perhaps you should try some spelling variations:
communication costs » communication systems, communication efforts, communication skills
risk communication » _ communication, mobile communication
technologies debt » technologies new, technologies ict, technologies sector
urban development » human development
debt information » student information, credit information, health information
development can » development bank, development band, development case
costs urban » cost urban, most urban, crisis urban
de risk » de risi, does risk, edge risk

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

• Performing a fuzzy search may retrieve terms with similar spellings: technologies debt information _ de risk communication costs urban development can afrique.~.
• Adding a wildcard symbol may retrieve word variants: technologies debt information _ de risk communication costs urban development can afrique.*.