Perhaps you should try some spelling variations:
"wood processing algorithm" » "food processing algorithm" (Expand Search)
"end processing algorithm" » "rna processing algorithm" (Expand Search), "food processing algorithm" (Expand Search), "text processing algorithm" (Expand Search)
"element rf algorithm" » "element _ algorithm" (Expand Search), "element em algorithm" (Expand Search), "element ii algorithm" (Expand Search), "element ree algorithm" (Expand Search), "element ore algorithm" (Expand Search)

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