Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"hanh dan va snippets" » "thanh dan va snippets", "hanh san va snippets", "canh dan va snippets", "hanh doan va snippets", "hanh dan ca snippets", "hanh ban va snippets", "hanh dan va 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: (((("hanh dan va snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hanh dan va snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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