Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
development citizen » development caribbean
mce communications » face communications, voice communications, cell communications
clean development » human development, urban development
integration 18.3 » integration 1.3, integration 10.3, integration 11.3
technologies de » technologies _, technologies 4, technologies 2
de integration » die integration, re integration, une integration
costs clean » costs clear
18.3 does » 12.3 does, 18.2 does, 13 does
does mce » does more, does de, does e

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

• Adding a wildcard symbol may retrieve word variants: technologies de integration 18.3 does mce communications costs clean development citizen _.*.