Perhaps you should try some spelling variations:
"algorithm python function" » "algorithm within function" (Expand Search), "algorithms within function" (Expand Search), "algorithm both function" (Expand Search), "algorithm protein function" (Expand Search)
"algorithm where function" » "algorithm sphere function" (Expand Search), "algorithm gene function" (Expand Search), "algorithm three function" (Expand Search)
"algorithm wave function" » "algorithm based function" (Expand Search), "algorithm a function" (Expand Search), "algorithm ai function" (Expand Search), "algorithm rate function" (Expand Search), "algorithm gene function" (Expand Search)

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (("algorithm python function") OR ((("algorithm where function") OR ("algorithm wave function"))))~.
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• Adding a wildcard symbol may retrieve word variants: (("algorithm python function") OR ((("algorithm where function") OR ("algorithm wave function"))))*.