Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"duy hai trac snippets" » "duy hoi trac snippets", "duy khai thac snippets", "duy thai tran snippets", "duy thai trac snippets", "duc hai trac snippets", "duy ai trac snippets", "duy hai trac 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: (((("python using java snippets") or ("duy hai trac snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("duy hai trac snippets"))) OR ("locating bug code snippets")).
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