Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"sach lo luan snippets" » "sach dao luan snippets", "sach doi luan snippets", "sach hoi luan snippets", "sach ly luan snippets", "sach li luan snippets", "sach lo xuan snippets", "sach lo luan 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: (((("sach lo luan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("sach lo luan snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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