Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"tre ban dau snippets" » "te ban dau snippets", "tri ban dau snippets", "tre can dau snippets", "tre bat dau snippets", "tre ban dan snippets", "tre van dau snippets", "tre ban dau 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: (((("tre ban dau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tre ban dau snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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