Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"dam bai luan snippets" » "dam bai toan snippets", "dam li luan snippets", "dam vay luan snippets", "dam bao luan snippets", "dao bai luan snippets", "dap bai luan snippets", "dam bai luan 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: (((("dam bai luan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dam bai luan snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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