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 five algorithms" » "element four algorithms" (Expand Search), "element forest algorithms" (Expand Search), "element based algorithms" (Expand Search), "element fbe algorithms" (Expand Search), "element citre algorithms" (Expand Search), "element te algorithms" (Expand Search)
"element ii algorithm" » "element _ algorithm" (Expand Search), "element _ algorithms" (Expand Search), "element g algorithm" (Expand Search), "element te 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 five algorithms") OR ("element ii algorithm"))) OR ("image processing algorithm"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"element five algorithms\") OR (\"element ii algorithm\"))) OR (\"image processing algorithm\"))".
• Removing quotes may allow a broader search: (((( element five algorithms ) OR ( element ii algorithm ))) OR ( image processing algorithm )).
• Adding a wildcard symbol may retrieve word variants: (((("element five algorithms") OR ("element ii algorithm"))) OR ("image processing algorithm"))*.