Perhaps you should try some spelling variations:
climate channel » climate changes, climate changed, climate chance
channel experts » channel export, channel effects, channel events
change expert » change extent, changing expert, change effect
experts group » experts ground, expert groups, experts around
rica climate » africa climate, ira climate, america climate
group papers » group part
iea climate » sea climate, ira climate, area climate

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (( oecd/rica climate change expert group papers ) OR ( oecd/iea climate channel experts group papers )).
• Adding a wildcard symbol may retrieve word variants: (( oecd/rica climate change expert group papers ) or ( oecd/iea climate channel experts group papers ))*.