Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"bich nga tin snippets" » "bich nganh tin snippets", "bich nghe tin snippets", "bich nha tinh snippets", "dich nga tin snippets", "tich nga tin snippets", "binh nga tin snippets", "bich nga tin 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: (((("bich nga tin snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("bich nga tin snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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