Perhaps you should try some spelling variations:
"develop targeted algorithms" » "develop three algorithms" (Expand Search), "develop tree algorithms" (Expand Search), "develop tested algorithms" (Expand Search), "developing targeted algorithms" (Expand Search)
"data models algorithm" » "data modeling algorithm" (Expand Search), "data novel algorithm" (Expand Search), "data modbo algorithm" (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: (((("develop targeted algorithms") OR ("element data algorithm"))) OR ("data models algorithm"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"develop targeted algorithms\") OR (\"element data algorithm\"))) OR (\"data models algorithm\"))".
• Removing quotes may allow a broader search: (((( develop targeted algorithms ) OR ( element data algorithm ))) OR ( data models algorithm )).
• Adding a wildcard symbol may retrieve word variants: (((("develop targeted algorithms") OR ("element data algorithm"))) OR ("data models algorithm"))*.