Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"hoc khoi duc snippets" » "hoc khoa duc snippets", "hoc hoa duc snippets", "hoc noi duc snippets", "hoc khoa duoc snippets", "hoc khuon duc snippets", "hoc khoi su snippets", "hoc khoi 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: (((("hoc khoi 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: (((("hoc khoi duc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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