Perhaps you should try some spelling variations:
"element modeling algorithm" » "element scheduling algorithm" (Expand Search), "elements modeling algorithm" (Expand Search)
"element fbe algorithm" » "element deer algorithm" (Expand Search), "element rd algorithm" (Expand Search), "elements fbe algorithm" (Expand Search)
"presence jaya algorithm" » "presented jaya algorithm" (Expand Search), "present jaya algorithm" (Expand Search), "presents jaya algorithm" (Expand Search), "presence maya algorithm" (Expand Search), "presence aya algorithm" (Expand Search), "presence jana 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 fbe algorithm") OR ("presence jaya algorithm"))) OR ("element modeling algorithm"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"element fbe algorithm\") OR (\"presence jaya algorithm\"))) OR (\"element modeling algorithm\"))".
• Removing quotes may allow a broader search: (((( element fbe algorithm ) OR ( presence jaya algorithm ))) OR ( element modeling algorithm )).
• Adding a wildcard symbol may retrieve word variants: (((("element fbe algorithm") OR ("presence jaya algorithm"))) OR ("element modeling algorithm"))*.