Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"duc toan lan snippets" » "duc tan lan snippets", "duc ton lan snippets", "duc hoan lan snippets", "duc toan luan snippets", "duc toan ban snippets", "duc toan lao snippets", "duc toan lan 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 ("duc toan lan snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("duc toan lan snippets"))) OR ("locating bug code snippets")).
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