Perhaps you should try some spelling variations:
"end processing algorithm" » "end modeling algorithm" (Expand Search), "end tracking algorithm" (Expand Search), "end boosting algorithm" (Expand Search), "rna processing algorithm" (Expand Search), "wood processing algorithm" (Expand Search), "food processing algorithm" (Expand Search)
"image routing algorithm" » "image modeling algorithm" (Expand Search), "image finding algorithm" (Expand Search), "image making algorithm" (Expand Search), "image 1_using algorithm" (Expand Search), "image 2_using algorithm" (Expand Search), "image 3_using algorithm" (Expand Search)
"movement data algorithm" » "movement data algorithms" (Expand Search), "movement update algorithm" (Expand Search), "movement atlas algorithm" (Expand Search)

Try widening your search to All Fields.

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