Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"lam so quoc snippets" » "lam bo quoc snippets", "lam ho quoc snippets", "lam si quoc snippets", "lam son quoc snippets", "nam so quoc snippets", "ham so quoc snippets", "lam so quoc 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: (((("lam so quoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
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