Perhaps you should try some spelling variations:
"food processing algorithm" » "food processing algorithms" (Expand Search), "good processing algorithm" (Expand Search)
"element ore algorithm" » "element rd algorithm" (Expand Search), "element deer algorithm" (Expand Search), "element cosine algorithm" (Expand Search), "elements ore algorithm" (Expand Search)
"element study algorithm" » "elements study algorithm" (Expand Search)

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (("food processing algorithm") OR ((("element ore algorithm") OR ("element study algorithm"))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"food processing algorithm\") OR (((\"element ore algorithm\") OR (\"element study algorithm\"))))".
• Removing quotes may allow a broader search: (( food processing algorithm ) OR ((( element ore algorithm ) OR ( element study algorithm )))).
• Adding a wildcard symbol may retrieve word variants: (("food processing algorithm") OR ((("element ore algorithm") OR ("element study algorithm"))))*.