Perhaps you should try some spelling variations:
smoothing out » smoothing _, sorting out
child labour » child labor
rooting out » sorting out, zooming out, rolling out
labour free » labour force, labour frame, labour from
cocoa farms » cocoa farm
free cocoa » from cocoa

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((rooting out) or (smoothing out)) child labour free cocoa farms ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((rooting out) OR (smoothing out)) child labour free cocoa farms ;.
• Adding a wildcard symbol may retrieve word variants: ((rooting out) or (smoothing out)) child labour free cocoa farms ;*.