Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"duy ca trong snippets" » "duy cay trong snippets", "duy cad trong snippets", "duy co trong snippets", "duy can trong snippets", "duy cua trong snippets", "duy ba trong snippets", "duy ca trong 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: (((("duy ca trong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("duy ca trong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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