Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"von phan duc snippets" » "van phan duc snippets", "bon phan duc snippets", "mon phan duc snippets", "von pham duc snippets", "von phan tu snippets", "von phan dau snippets", "von phan duc 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: (((("von phan duc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("von phan duc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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