Perhaps you should try some spelling variations:
"image processing algorithm" » "image processing algorithms" (Expand Search)
"data modeling algorithm" » "data scheduling algorithm" (Expand Search), "data models algorithm" (Expand Search), "spatial modeling algorithm" (Expand Search)
"element three algorithms" » "elements three algorithms" (Expand Search)

Try widening your search to All Fields.

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