Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"truan doi ba snippets" » "truyen doi ba snippets", "quan doi ba snippets", "khuan doi ba snippets", "truan doi ban snippets", "truan doi bai snippets", "truan doi bo snippets", "truan doi ba 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: (((("truan doi ba snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("truan doi ba snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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