Perhaps you should try some spelling variations:
"image processing algorithm" » "image processing algorithms" (Expand Search)
"element model algorithms" » "element mould algorithm" (Expand Search), "elements model algorithms" (Expand Search)
"element cscap algorithm" » "element cosine algorithm" (Expand Search), "elements cscap 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 cscap algorithm") OR ("element model algorithms"))) OR ("image processing algorithm"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"element cscap algorithm\") OR (\"element model algorithms\"))) OR (\"image processing algorithm\"))".
• Removing quotes may allow a broader search: (((( element cscap algorithm ) OR ( element model algorithms ))) OR ( image processing algorithm )).
• Adding a wildcard symbol may retrieve word variants: (((("element cscap algorithm") OR ("element model algorithms"))) OR ("image processing algorithm"))*.