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)
"element mesh algorithms" » "element best algorithms" (Expand Search), "element ml algorithms" (Expand Search), "element best algorithm" (Expand Search), "element method algorithms" (Expand Search), "elements mges algorithms" (Expand Search), "element te algorithms" (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)

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