Perhaps you should try some spelling variations:
"image 2_using algorithm" » "image routing algorithm" (Expand Search), "image using algorithms" (Expand Search), "image twisting algorithm" (Expand Search), "image 1_using algorithm" (Expand Search), "image 2_single algorithm" (Expand Search), "image 2_long algorithm" (Expand Search)
"element method algorithm" » "element network algorithm" (Expand Search), "element means algorithm" (Expand Search), "element mean algorithm" (Expand Search), "elements method algorithm" (Expand Search)
"settlement data algorithm" » "settlement data algorithms" (Expand Search), "settlement update algorithm" (Expand Search), "settlement atlas 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 method algorithm") OR ((("image 2_using algorithm") OR ("settlement data algorithm"))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"element method algorithm\") OR (((\"image 2_using algorithm\") OR (\"settlement data algorithm\"))))".
• Removing quotes may allow a broader search: (( element method algorithm ) OR ((( image 2_using algorithm ) OR ( settlement data algorithm )))).
• Adding a wildcard symbol may retrieve word variants: (("element method algorithm") OR ((("image 2_using algorithm") OR ("settlement data algorithm"))))*.