Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"khoi hoc dat snippets" » "khoa hoc dat snippets", "hoi hoc dat snippets", "phoi hoc dat snippets", "khoi hoc dan snippets", "khoi hoc dai snippets", "khoi hoc phat snippets", "khoi 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: (((("khoi 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: (((("khoi hoc dat snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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