Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"nen lam dau snippets" » "den lam dau snippets", "men lam dau snippets", "nong lam dau snippets", "nen lan dau snippets", "nen lam giau snippets", "nen luat dau snippets", "nen 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: (((("nen 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: (((("nen lam dau snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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