Perhaps you should try some spelling variations:
"image processing algorithm" » "image modeling algorithm" (Expand Search), "image routing algorithm" (Expand Search), "image tracking algorithm" (Expand Search)
"fold processing algorithm" » "fold modeling algorithm" (Expand Search), "fold routing algorithm" (Expand Search), "fold tracking algorithm" (Expand Search), "food processing algorithm" (Expand Search), "wood processing algorithm" (Expand Search), "post processing algorithm" (Expand Search)
"elements ree algorithm" » "elements tree algorithms" (Expand Search), "elements new algorithm" (Expand Search), "elements rf algorithm" (Expand Search), "element ree algorithm" (Expand Search), "elements res algorithm" (Expand Search), "elements fe algorithm" (Expand Search)

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