Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thu hoi duc slippers" » "thu hoai duc slippers", "thu phoi duc slippers", "thu hai duc slippers", "thu hoi suc slippers", "thu hoi uc slippers", "thu hoi duc slippery", "thu hoi duc grippers"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("thu hoi duc slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
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