Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"phan mon dam snippets" » "phan bon dam snippets", "phan mo dam snippets", "phan moi dam snippets", "phan muon dam snippets", "phan man dam snippets", "phan men dam snippets", "phan mon 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: (((("phan mon dam snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
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