Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"lap hoat duc snippets" » "tap hoa duc snippets", "dan hoat duc snippets", "lap dat duc snippets", "lap hoai duc snippets", "lap hoang duc snippets", "lap hoa duoc snippets", "lap hoat 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: (((("lap hoat 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: (((("lap hoat duc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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