Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"luan rui lat snippets" » "luan chi lat snippets", "van rui lat snippets", "luan thi lat snippets", "luan rui luat snippets", "luan rui last snippets", "luan rui loat snippets", "luan rui lat 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: (((("luan rui lat snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("luan rui lat snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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