Perhaps you should try some spelling variations:
"element sampling algorithm" » "element scheduling algorithm" (Expand Search), "elements sampling algorithm" (Expand Search)
"elemental ml algorithms" » "elemental rd algorithm" (Expand Search), "elementary ml algorithms" (Expand Search), "elements ml algorithms" (Expand Search), "elementsal ml algorithms" (Expand Search)
"elemental _ algorithms" » "elementary _ algorithms" (Expand Search), "elements _ algorithms" (Expand Search), "elementsal _ algorithms" (Expand Search)

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("elemental _ algorithms") OR ("elemental ml algorithms"))) OR ("element sampling algorithm"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"elemental _ algorithms\") OR (\"elemental ml algorithms\"))) OR (\"element sampling algorithm\"))".
• Removing quotes may allow a broader search: (((( elemental _ algorithms ) OR ( elemental ml algorithms ))) OR ( element sampling algorithm )).
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