Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"hoc yen lang snippets" » "hoc den lang snippets", "hoc ten lang snippets", "hoc yen giang snippets", "hoc quyen lang snippets", "hoc tuyen lang snippets", "hoc hien lang snippets", "hoc yen lang 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 yen lang 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 yen lang snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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