Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"doi hoc quan snippets" » "doi hoc dan snippets", "doi tac quan snippets", "doi hoc phan snippets", "doi hoac quan snippets", "dai hoc quan snippets", "hoi hoc quan snippets", "doi hoc quan 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 ("doi hoc quan snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("doi hoc quan snippets"))) OR ("locating bug code snippets")).
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