Perhaps you should try some spelling variations:
carbon development » urban development, career development, clean development
de communication » mobile communication, online communication
technology new » technologies new, technology needs, technology 1
new conditions » des conditions, flow conditions, dry conditions
conditions 3 » conditions _, conditions a
costs carbon » post carbon, forests carbon, across carbon
crisis de » crisis del, crisis due, crisis debt
3 crisis » 1 crisis, 19 crisis

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

• Adding a wildcard symbol may retrieve word variants: technology new conditions 3 crisis de communication costs carbon development policy a.*.