Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"pha den tuan snippets" » "pha den tran snippets", "pha den thanh snippets", "pha doan tuan snippets", "phja den tuan snippets", "thai den tuan snippets", "cham den tuan snippets", "pha den tuan 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: (((("pha den tuan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("pha den tuan snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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