Perhaps you should try some spelling variations:
"image processing algorithm" » "image routing algorithm" (Expand Search), "image tracking algorithm" (Expand Search), "image boosting 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)
"element study algorithm" » "element wsindy algorithm" (Expand Search), "element td3 algorithm" (Expand Search), "element seu algorithm" (Expand Search), "relevant study algorithm" (Expand Search), "present study algorithm" (Expand Search), "recent 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: (("element study algorithm") OR ((("image modeling algorithm") OR ("image processing algorithm"))))~.
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• Removing quotes may allow a broader search: (( element study algorithm ) OR ((( image modeling algorithm ) OR ( image processing algorithm )))).
• Adding a wildcard symbol may retrieve word variants: (("element study algorithm") OR ((("image modeling algorithm") OR ("image processing algorithm"))))*.