Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"mach hoc duc snippets" » "cach hoc duc snippets", "dich hoc duc snippets", "anh hoc duc snippets", "mach hoc duoc snippets", "mach hoc nuoc snippets", "mach hoc thuc snippets", "mach hoc 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: (((("mach hoc 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: (((("mach hoc duc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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