Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"cua ngu than snippets" » "cua ngu thanh snippets", "cua nu than snippets", "cua ngu thai snippets", "cuu ngu than snippets", "cua ndu than snippets", "cua nguoi than snippets", "cua ngu than 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: (((("cua ngu than snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cua ngu than snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cua ngu than snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
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