Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"nhat lam dau snippets" » "nha lam dau snippets", "phat lam dau snippets", "nhat ban dau snippets", "nhat lan dau snippets", "nhat lam giau snippets", "nhat luat dau snippets", "nhat lam dau 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: (((("nhat lam dau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nhat lam dau snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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