Perhaps you should try some spelling variations:
risi communication » risk communication, crisis communication, risk communications
urban development » human development
development case » development china
technologies a » technologies _, technologies 4, technologies 2
a information » 2 information, 1 information
costs urban » cost urban, across urban, crisis urban
about de » about due, about dead, about debt
de risi » de risk, de risco

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

• Adding a wildcard symbol may retrieve word variants: technologies a information about de risi communication costs urban development case afrique.*.