Perhaps you should try some spelling variations:
"element method algorithm" » "element mould algorithm" (Expand Search), "elements method algorithm" (Expand Search)
"presence data algorithms" » "presence jaya algorithm" (Expand Search), "presented data algorithms" (Expand Search), "present data algorithms" (Expand Search), "presents data algorithms" (Expand Search)
"element mapping algorithm" » "elements mapping algorithm" (Expand Search)

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("presence data algorithms") OR ("element method algorithm"))) OR ("element mapping algorithm"))~.
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• Removing quotes may allow a broader search: (((( presence data algorithms ) OR ( element method algorithm ))) OR ( element mapping algorithm )).
• Adding a wildcard symbol may retrieve word variants: (((("presence data algorithms") OR ("element method algorithm"))) OR ("element mapping algorithm"))*.