Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"nin tran anh snippets" » "nin toan anh snippets", "bien tran anh snippets", "nen tranh anh snippets", "nin tran manh snippets", "nin tuan anh snippets", "nin tran thanh snippets", "nin tran anh 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: (((("nin tran anh snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nin tran anh snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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