Perhaps you should try some spelling variations:
"experimental data algorithm" » "experimental _ algorithm" (Expand Search), "experimental jaya algorithm" (Expand Search), "experimental deer algorithm" (Expand Search)
"image routing algorithm" » "image cosine algorithm" (Expand Search)
"element data algorithm" » "element jaya algorithm" (Expand Search), "element deer algorithm" (Expand Search), "elements data algorithm" (Expand Search)

Try widening your search to All Fields.

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