Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
development america » development africa, development numerical, development armenia
so communications » do communications, faso communications, 10 communications
clean development » human development, urban development
l'integration de » reintegration der, integration der, integration des
4 l'integration » de l'integration, et l'integration, 3.2 l'integration
technologies 4 » technologies _
america asia » africa asia, america a, america case
costs clean » costs clear
de goes » der goes, d goes, de goey
goes so » goes too

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

• Adding a wildcard symbol may retrieve word variants: technologies 4 l'integration de goes so communications costs clean development america asia.*.