Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"hoc tran quy snippets" » "hoc tan quy snippets", "hoc tren quy snippets", "boc tran quy snippets", "hoc tran duy snippets", "hoc tran quoc snippets", "hoc tran thuy snippets", "hoc tran quy 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: (((("hoc tran quy snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hoc tran quy snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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