Perhaps you should try some spelling variations:
"experiments when algorithm" » "experiments deer algorithm" (Expand Search), "experimental when algorithm" (Expand Search)
"elements fbe algorithm" » "elements deer algorithm" (Expand Search), "elements rd algorithm" (Expand Search), "elements _ algorithm" (Expand Search)
"neural colony algorithm" » "neural colon algorithm" (Expand Search)

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("experiments when algorithm") OR ("elements fbe algorithm"))) OR ("neural colony algorithm"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"experiments when algorithm\") OR (\"elements fbe algorithm\"))) OR (\"neural colony algorithm\"))".
• Removing quotes may allow a broader search: (((( experiments when algorithm ) OR ( elements fbe algorithm ))) OR ( neural colony algorithm )).
• Adding a wildcard symbol may retrieve word variants: (((("experiments when algorithm") OR ("elements fbe algorithm"))) OR ("neural colony algorithm"))*.