Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"nen tang dam snippets" » "le tang dam snippets", "nen mong dam snippets", "nen van dam snippets", "nen tang dan snippets", "nen tong dam snippets", "nen hang dam snippets", "nen tang dam slippers"
"locating bug code snippets" » "locating bug code slippers", "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: (((("nen tang dam snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
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