Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"nhan hoc dat snippets" » "nha hoc dat snippets", "nhan hoa dat snippets", "than hoc dat snippets", "nhan hoc dan snippets", "nhan hoc dai snippets", "nhan hoc phat snippets", "nhan hoc dat 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: (((("nhan hoc dat snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nhan hoc dat snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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