Perhaps you should try some spelling variations:
"food processing algorithm" » "food routing algorithm" (Expand Search), "food tracking algorithm" (Expand Search), "food boosting algorithm" (Expand Search), "wood processing algorithm" (Expand Search)
"image modeling algorithm" » "image making algorithm" (Expand Search), "age modeling algorithm" (Expand Search), "climate modeling algorithm" (Expand Search), "case modeling algorithm" (Expand Search)
"present data algorithm" » "present data algorithms" (Expand Search), "present update algorithm" (Expand Search), "present atlas algorithm" (Expand Search), "presence data algorithm" (Expand Search), "present day algorithm" (Expand Search), "recent data algorithm" (Expand Search)

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