Perhaps you should try some spelling variations:
development citizens » development citizen, development cities, development childrens
communication cost » communication costs, communication costa, communications costs
technologies used » technologies based, technology used, technologies _
used interactions » based interactions, user interaction, sea interactions
interactions when » interactions wei, interactions what, interactions within
urban development » human development
3 communication » 4 communication, de communication, data communication
cost urban » most urban, worst urban, bust urban
citizens 4 » citizens _, citizens a, citizens 4.3
when does » where does, when do
does 3 » does _, does a, does e

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

• Adding a wildcard symbol may retrieve word variants: technologies used interactions when does 3 communication cost urban development citizens 4.*.