Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"phe phan dua snippets" » "phi phan dua snippets", "pho phan dua snippets", "phieu phan dua snippets", "phe phan duc snippets", "phe phan duy snippets", "phe phan quan snippets", "phe phan dua 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: (((("phe phan dua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phe phan dua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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