Perhaps you should try some spelling variations:
communication costs » communication systems, communication efforts, communication skills
mass communication » risk communication, _ communication, mobile communication
urban development » human development
technologies ict » technologies icts, technologies fish, technologies _
ict information » acute information, debt information, aids information
costs urban » cost urban, most urban, crisis urban
flows de » flows do, flows debt, flows _
de mass » does mass, ice mass

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

• Adding a wildcard symbol may retrieve word variants: technologies ict information flows de mass communication costs urban development _ afrique.*.