Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
development cities » development citizen, development critics, development series
do communications » 10 communications, 14 communications, 2 communications
clean development » human development, urban development
integration does » integration des, integration der, integration das
technologies a » technologies _, technologies 4, technologies 2
a integration » 3 integration, 2 integration, 4 integration
costs clean » costs clear
dogs » dos, logs, dots

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

• Adding a wildcard symbol may retrieve word variants: technologies a integration does dogs do communications costs clean development cities _.*.