Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"lon thuc dan snippets" » "luong thuc dan snippets", "long thuoc dan snippets", "cong thuc dan snippets", "lon thuc hanh snippets", "lon hoc dan snippets", "lon thuc vat snippets", "lon thuc dan 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: (((("lon thuc dan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("lon thuc dan snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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