Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"nhe cac nhat snippets" » "nhe cac nha snippets", "nhe cac nhan snippets", "nhe cac chat snippets", "he cac nhat snippets", "nghe cao nhat snippets", "nghe cnc nhat snippets", "nhe cac nhat 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: (((("nhe cac nhat snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nhe cac nhat snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhe cac nhat snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
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