Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"voi hoc khoi snippets" » "voi hoc khoa snippets", "voi hoc hoa snippets", "voi hoc noi snippets", "hoi hoc khoi snippets", "vi hoc khoi snippets", "voi ho khoi snippets", "voi hoc khoi 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: (((("voi hoc khoi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("voi hoc khoi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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