Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"dao thai tuc snippets" » "dao thi tuc snippets", "do thai tuc snippets", "da thai tuc snippets", "dao thai thuc snippets", "dao thai thuy snippets", "dao thai hoc snippets", "dao thai tuc 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: (((("dao thai tuc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
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