Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"thu thuc dan snippets" » "thuc thuc dan snippets", "thu thuoc dan snippets", "thue thuc dan snippets", "thu thuc hanh snippets", "thu hoc dan snippets", "thu thuc vat snippets", "thu 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: (((("thu 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: (((("thu thuc dan snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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