Perhaps you should try some spelling variations:
"current depression algorithm" » "current detection algorithm" (Expand Search)
"element data algorithm" » "element jaya algorithm" (Expand Search), "element deer algorithm" (Expand Search), "elements data algorithm" (Expand Search)
"neural colony algorithm" » "neural colon 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 data algorithm") OR ("current depression algorithm"))) OR ("neural colony algorithm"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"element data algorithm\") OR (\"current depression algorithm\"))) OR (\"neural colony algorithm\"))".
• Removing quotes may allow a broader search: (((( element data algorithm ) OR ( current depression algorithm ))) OR ( neural colony algorithm )).
• Adding a wildcard symbol may retrieve word variants: (((("element data algorithm") OR ("current depression algorithm"))) OR ("neural colony algorithm"))*.