Perhaps you should try some spelling variations:
enhancing expert » enhancing export, enhancing effect, enhancing bert
changing expert » changing export, changing expertise, wrangling expert
enhanced expert » enhanced bert, enhanced event, enhanced super
channel experts » channel export, channel effects, channel events
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/iea climate ((((changing expert) OR (((enhancing expert) OR (enhanced expert))))) OR (channel experts)) group papers.
• The words AND, OR and NOT may confuse the search; try adding quotes: "oecd/iea climate ((((changing expert) or (((enhancing expert) OR (enhanced expert))))) or (channel experts)) group papers".
• Adding a wildcard symbol may retrieve word variants: oecd/iea climate ((((changing expert) or (((enhancing expert) OR (enhanced expert))))) or (channel experts)) group papers*.