Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"voi dac tran snippets" » "voi dac tan snippets", "voi dac trung snippets", "voi dang tran snippets", "voi cac tran snippets", "voi dai tran snippets", "voi dan tran snippets", "voi dac tran 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: (((("voi dac tran snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("voi dac tran snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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