Perhaps you should try some spelling variations:
"dft modeling algorithm" » "dft scheduling algorithm" (Expand Search), "_ modeling algorithm" (Expand Search)
"spatial clustering algorithm" » "data clustering algorithm" (Expand Search)
"relevant data algorithm" » "relevant jaya algorithm" (Expand Search), "relevant deer algorithm" (Expand Search)

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("dft modeling algorithm") OR ("spatial clustering algorithm"))) OR ("relevant data algorithm"))~.
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• Removing quotes may allow a broader search: (((( dft modeling algorithm ) OR ( spatial clustering algorithm ))) OR ( relevant data algorithm )).
• Adding a wildcard symbol may retrieve word variants: (((("dft modeling algorithm") OR ("spatial clustering algorithm"))) OR ("relevant data algorithm"))*.