Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"dau len mau snippets" » "dam len mau snippets", "dau tien mau snippets", "dau luan mau snippets", "dau le mau snippets", "dau luyen mau snippets", "dau hien mau snippets", "dau len mau 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: (((("dau len mau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dau len mau snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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