Perhaps you should try some spelling variations:
"spatial modeling algorithm" » "spatial making algorithm" (Expand Search)
"element mesh algorithms" » "element best algorithms" (Expand Search), "element ml algorithms" (Expand Search), "element best algorithm" (Expand Search), "element method algorithms" (Expand Search), "elements mges algorithms" (Expand Search), "element te algorithms" (Expand Search)
"element data algorithm" » "element data algorithms" (Expand Search), "element update algorithm" (Expand Search), "element atlas algorithm" (Expand Search), "settlement data algorithm" (Expand Search), "relevant data algorithm" (Expand Search), "movement 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: (((("element data algorithm") OR ("element mesh algorithms"))) OR ("spatial modeling algorithm"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"element data algorithm\") OR (\"element mesh algorithms\"))) OR (\"spatial modeling algorithm\"))".
• Removing quotes may allow a broader search: (((( element data algorithm ) OR ( element mesh algorithms ))) OR ( spatial modeling algorithm )).
• Adding a wildcard symbol may retrieve word variants: (((("element data algorithm") OR ("element mesh algorithms"))) OR ("spatial modeling algorithm"))*.