Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"lap cac phan snippets" » "lap cac nhan snippets", "lap cao phan snippets", "lap cap phan snippets", "tap cac phan snippets", "gap cac phan snippets", "lop cac phan snippets", "lap cac phan 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: (((("lap cac phan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("lap cac phan snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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