Salad, olios, nuts - presumably, those with problems of their own produced these (9)

I believe the answer is:

solutions

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'presumably those with problems of their own produced these' is the definition.
The definition suggests an adverb but the answer is not.

'salad olios nuts' is the wordplay.
'salad' indicates anagramming the letters (I've seen 'salad of' mean this).
'olios'+'nuts'='oliosnuts'
'oliosnuts' anagrammed gives 'SOLUTIONS'.

Can you help me to learn more?

(Other definitions for solutions that I've seen before include "Correct answers to clues" , "76 are required here" , "Homogeneous mixtures" , "Correct answers to puzzles" , "Answers sought or found" .)

I've seen this clue in the Irish Times.

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