Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"hoc doi bai snippets" » "hoc dai bai snippets", "hoc noi bai snippets", "hoc moi bai snippets", "hoc hoi bai snippets", "hoc doi ban snippets", "hoc doi boi snippets", "hoc doi bai 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 doi bai snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
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