Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"thu thu nhan snippets" » "thu thu nhap snippets", "thu thu nhat snippets", "thu thu ngan snippets", "thu thuy nhan snippets", "thue thu nhan snippets", "thu thuc nhan snippets", "thu thu nhan 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: (((("thu thu nhan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thu thu nhan snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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