Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"duong duc ba snippets" » "luong duc ba snippets", "duong qua ba snippets", "dang duc ba snippets", "duong duc ban snippets", "duong duc bao snippets", "duong duc va snippets", "duong duc 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: (((("python using java snippets") or ("duong duc ba snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("duong duc ba snippets"))) OR ("locating bug code snippets")).
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