Perhaps you should try some spelling variations:
"based modeling algorithm" » "based making algorithm" (Expand Search), "based model algorithm" (Expand Search), "based models algorithm" (Expand Search)
"element method algorithms" » "element two algorithms" (Expand Search), "element both algorithms" (Expand Search), "element other algorithms" (Expand Search), "elements method algorithms" (Expand Search)
"recent study algorithm" » "recent wsindy algorithm" (Expand Search), "recent td3 algorithm" (Expand Search), "recent seu algorithm" (Expand Search), "present study algorithm" (Expand Search), "recent studies 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 method algorithms") OR ("recent study algorithm"))) OR ("based modeling algorithm"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"element method algorithms\") OR (\"recent study algorithm\"))) OR (\"based modeling algorithm\"))".
• Removing quotes may allow a broader search: (((( element method algorithms ) OR ( recent study algorithm ))) OR ( based modeling algorithm )).
• Adding a wildcard symbol may retrieve word variants: (((("element method algorithms") OR ("recent study algorithm"))) OR ("based modeling algorithm"))*.