Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"duc phan dam snippets" » "dung phan dam snippets", "duc thang dam snippets", "duc phung dam snippets", "duc phan dau snippets", "duc phan cam snippets", "duc phan dai snippets", "duc phan dam 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: (((("duc phan dam snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
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