Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"hanh san wu snippets" » "thanh san wu snippets", "khach san wu snippets", "thanh son wu snippets", "hanh can wu snippets", "hanh fan wu snippets", "hanh lan wu snippets", "hanh san wu 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: (((("hanh san wu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
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