Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
debt communications » debt communication, guest communications, data communications
development mission » development missions, developments mission, developmental mission
clean development » human development, urban development
integration 13.2 » integration 3.2, integration 13.6, integration 11.3.2
technologie die » technologie de, technologie im, technologie der
die integration » trade integration
costs clean » costs clear
13.2 does » 13.8 does, 18.2 does, 13.2.2 does
does debt » does de
mission 2 » mission 20, mission 25, mission _

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

• Adding a wildcard symbol may retrieve word variants: technologie die integration 13.2 does debt communications costs clean development mission 2.*.