Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"anh den tuan snippets" » "anh den tran snippets", "anh den thanh snippets", "anh doan tuan snippets", "danh dien tuan snippets", "anh dong tuan snippets", "anh dung tuan snippets", "anh 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: (((("anh 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: (((("anh den tuan snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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